diff --git a/card.js b/card.js
index 660a9bf..867d405 100644
--- a/card.js
+++ b/card.js
@@ -7,10 +7,12 @@
    * @extends H5P.EventDispatcher
    * @param {Object} image
    * @param {number} id
+   * @param {string} alt
+   * @param {Object} l10n Localization
    * @param {string} [description]
    * @param {Object} [styles]
    */
-  MemoryGame.Card = function (image, id, description, styles) {
+  MemoryGame.Card = function (image, id, alt, l10n, description, styles) {
     /** @alias H5P.MemoryGame.Card# */
     var self = this;
 
@@ -18,7 +20,9 @@
     EventDispatcher.call(self);
 
     var path = H5P.getPath(image.path, id);
-    var width, height, margin, $card;
+    var width, height, $card, $wrapper, removedState, flippedState;
+
+    alt = alt || 'Missing description'; // Default for old games
 
     if (image.width !== undefined && image.height !== undefined) {
       if (image.width > image.height) {
@@ -34,19 +38,54 @@
       width = height = '100%';
     }
 
+    /**
+     * Update the cards label to make it accessible to users with a readspeaker
+     *
+     * @param {boolean} isMatched The card has been matched
+     * @param {boolean} announce Announce the current state of the card
+     * @param {boolean} reset Go back to the default label
+     */
+    self.updateLabel = function (isMatched, announce, reset) {
+
+      // Determine new label from input params
+      var label = (reset ? l10n.cardUnturned : alt);
+      if (isMatched) {
+        label = l10n.cardMatched + ' ' + label;
+      }
+
+      // Update the card's label
+      $wrapper.attr('aria-label', l10n.cardPrefix.replace('%num', $wrapper.index() + 1) + ' ' + label);
+
+      // Update disabled property
+      $wrapper.attr('aria-disabled', reset ? null : 'true');
+
+      // Announce the label change
+      if (announce) {
+        $wrapper.blur().focus(); // Announce card label
+      }
+    };
+
     /**
      * Flip card.
      */
     self.flip = function () {
+      if (flippedState) {
+        $wrapper.blur().focus(); // Announce card label again
+        return;
+      }
+
       $card.addClass('h5p-flipped');
       self.trigger('flip');
+      flippedState = true;
     };
 
     /**
      * Flip card back.
      */
     self.flipBack = function () {
+      self.updateLabel(null, null, true); // Reset card label
       $card.removeClass('h5p-flipped');
+      flippedState = false;
     };
 
     /**
@@ -54,12 +93,16 @@
      */
     self.remove = function () {
       $card.addClass('h5p-matched');
+      removedState = true;
     };
 
     /**
      * Reset card to natural state
      */
     self.reset = function () {
+      self.updateLabel(null, null, true); // Reset card label
+      flippedState = false;
+      removedState = false;
       $card[0].classList.remove('h5p-flipped', 'h5p-matched');
     };
 
@@ -87,28 +130,96 @@
      * @param {H5P.jQuery} $container
      */
     self.appendTo = function ($container) {
-      // TODO: Translate alt attr
-      $card = $('<li class="h5p-memory-wrap"><div class="h5p-memory-card" role="button" tabindex="1">' +
+      $wrapper = $('<li class="h5p-memory-wrap" tabindex="-1" role="button"><div class="h5p-memory-card">' +
                   '<div class="h5p-front"' + (styles && styles.front ? styles.front : '') + '>' + (styles && styles.backImage ? '' : '<span></span>') + '</div>' +
                   '<div class="h5p-back"' + (styles && styles.back ? styles.back : '') + '>' +
-                    '<img src="' + path + '" alt="Memory Card" style="width:' + width + ';height:' + height + '"/>' +
+                    '<img src="' + path + '" alt="' + alt + '" style="width:' + width + ';height:' + height + '"/>' +
                   '</div>' +
                 '</div></li>')
         .appendTo($container)
-        .children('.h5p-memory-card')
-          .children('.h5p-front')
-            .click(function () {
+        .on('keydown', function (event) {
+          switch (event.which) {
+            case 13: // Enter
+            case 32: // Space
               self.flip();
-            })
-            .end();
+              event.preventDefault();
+              return;
+            case 39: // Right
+            case 40: // Down
+              // Move focus forward
+              self.trigger('next');
+              event.preventDefault();
+              return;
+            case 37: // Left
+            case 38: // Up
+              // Move focus back
+              self.trigger('prev');
+              event.preventDefault();
+              return;
+            case 35:
+              // Move to last card
+              self.trigger('last');
+              event.preventDefault();
+              return;
+            case 36:
+              // Move to first card
+              self.trigger('first');
+              event.preventDefault();
+              return;
+          }
+        });
+
+      $wrapper.attr('aria-label', l10n.cardPrefix.replace('%num', $wrapper.index() + 1) + ' ' + l10n.cardUnturned);
+      $card = $wrapper.children('.h5p-memory-card')
+        .children('.h5p-front')
+          .click(function () {
+            self.flip();
+          })
+          .end();
     };
 
     /**
-     * Re-append to parent container
+     * Re-append to parent container.
      */
     self.reAppend = function () {
-      var parent = $card[0].parentElement.parentElement;
-      parent.appendChild($card[0].parentElement);
+      var parent = $wrapper[0].parentElement;
+      parent.appendChild($wrapper[0]);
+    };
+
+    /**
+     * Make the card accessible when tabbing
+     */
+    self.makeTabbable = function () {
+      if ($wrapper) {
+        $wrapper.attr('tabindex', '0');
+      }
+    };
+
+    /**
+     * Prevent tabbing to the card
+     */
+    self.makeUntabbable = function () {
+      if ($wrapper) {
+        $wrapper.attr('tabindex', '-1');
+      }
+    };
+
+    /**
+     * Make card tabbable and move focus to it
+     */
+    self.setFocus = function () {
+      self.makeTabbable();
+      if ($wrapper) {
+        $wrapper.focus();
+      }
+    };
+
+    /**
+     * Check if the card has been removed from the game, i.e. if has
+     * been matched.
+     */
+    self.isRemoved = function () {
+      return removedState;
     };
   };
 
diff --git a/language/.en.json b/language/.en.json
index 8f501f2..7101e4c 100644
--- a/language/.en.json
+++ b/language/.en.json
@@ -18,6 +18,14 @@
             "label": "Matching Image",
             "description": "An optional image to match against instead of using two cards with the same image."
           },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
           {
             "label": "Description",
             "description": "An optional short text that will pop up once the two matching cards are found."
@@ -49,8 +57,7 @@
         {
           "label": "Theme Color",
           "description": "Choose a color to create a theme for your card game.",
-          "default": "#909090",
-          "spectrum": {}
+          "default": "#909090"
         },
         {
           "label": "Card Back",
@@ -80,6 +87,26 @@
         {
           "label": "Close button label",
           "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/af.json b/language/af.json
index 240360f..7101e4c 100644
--- a/language/af.json
+++ b/language/af.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/ar.json b/language/ar.json
index 2b1b46e..78a9852 100644
--- a/language/ar.json
+++ b/language/ar.json
@@ -1,89 +1,114 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"البطاقات",
-      "entity":"بطاقة",
-      "field":{
-        "label":"البطاقة",
-        "fields":[
+      "label": "البطاقات",
+      "entity": "بطاقة",
+      "field": {
+        "label": "البطاقة",
+        "fields": [
           {
-            "label":"الصورة"
+            "label": "الصورة"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"الوصف",
-            "description":"نص قصير يتم عرضه مرة واحدة علي اثنين من البطاقات متساوية"
+            "label": "الوصف",
+            "description": "نص قصير يتم عرضه مرة واحدة علي اثنين من البطاقات متساوية"
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"الأقلمة",
-      "fields":[
+      "label": "الأقلمة",
+      "fields": [
         {
-          "label":"نص تدوير البطاقة",
-          "default":"Card turns"
+          "label": "نص تدوير البطاقة",
+          "default": "Card turns"
         },
         {
-          "label":"نص التوقيت الزمني",
-          "default":"Time spent"
+          "label": "نص التوقيت الزمني",
+          "default": "Time spent"
         },
         {
-          "label":"نص الملاحظات",
-          "default":"Good work!"
+          "label": "نص الملاحظات",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Reset"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/language/bs.json b/language/bs.json
index b1c4312..125eae6 100644
--- a/language/bs.json
+++ b/language/bs.json
@@ -1,89 +1,114 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Karte",
-      "entity":"karte",
-      "field":{
-        "label":"Karte",
-        "fields":[
+      "label": "Karte",
+      "entity": "karte",
+      "field": {
+        "label": "Karte",
+        "fields": [
           {
-            "label":"Slika"
+            "label": "Slika"
           },
           {
-            "label":"Ista slika",
-            "description":"Opcionalna slika koja se koristi umjestodvije iste slike."
+            "label": "Ista slika",
+            "description": "Opcionalna slika koja se koristi umjestodvije iste slike."
           },
           {
-            "label":"Opis",
-            "description":"Kratak tekst koji će biti prikazan čim se pronađu dvije iste karte."
+            "label": "Opis",
+            "description": "Kratak tekst koji će biti prikazan čim se pronađu dvije iste karte."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Podešavanje ponašanja",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Podešavanje ponašanja",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Poredaj karte u redove ",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Poredaj karte u redove ",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Broj karata za upotrebu",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Broj karata za upotrebu",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Prijevod",
-      "fields":[
+      "label": "Prijevod",
+      "fields": [
         {
-          "label":"Tekst kad se okrene karta ",
-          "default":"Okrenuta karta"
+          "label": "Tekst kad se okrene karta ",
+          "default": "Okrenuta karta"
         },
         {
-          "label":"Tekst za provedeno vrijeme",
-          "default":"Provedeno vrijeme"
+          "label": "Tekst za provedeno vrijeme",
+          "default": "Provedeno vrijeme"
         },
         {
-          "label":"Feedback tekst",
-          "default":"BRAVO!"
+          "label": "Feedback tekst",
+          "default": "BRAVO!"
         },
         {
-          "label":"Tekst na dugmetu pokušaj ponovo",
-          "default":"Pokušaj ponovo?"
+          "label": "Tekst na dugmetu pokušaj ponovo",
+          "default": "Pokušaj ponovo?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/language/ca.json b/language/ca.json
index 240360f..7101e4c 100644
--- a/language/ca.json
+++ b/language/ca.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/cs.json b/language/cs.json
index 240360f..7101e4c 100644
--- a/language/cs.json
+++ b/language/cs.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/da.json b/language/da.json
index 240360f..2938029 100644
--- a/language/da.json
+++ b/language/da.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Standard"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Kort",
+      "entity": "card",
+      "field": {
+        "label": "Kort",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Billede"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matchende billede",
+            "description": "Valgfrit billede som match i stedet for at have to kort med det samme billede."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Beskrivelse",
+            "description": "Valgfri tekst, som popper op, når to matchende billeder er fundet."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Indstillinger",
+      "description": "Disse indstillinger giver dig mulighed for at bestemme, hvordan spillet fremstår.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Placer kortene kvadratisk",
+          "description": "Vil forsøge at matche antallet af kolonner og rækker, når kortene placeres. Efterfølgende vil størrelsen på kortene blive tilpasset."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Antal kort i opgaven",
+          "description": "Vælges et større tal end 2, vælges kort tilfældigt fra listen af kort."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Tilføj knap for at prøve spillet igen, når spillet er afsluttet."
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Udseende",
+      "description": "Indstil spillets udseende.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Farvetema",
+          "description": "Vælg en farve til bagsiden af dine kort.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Bagsidebillede",
+          "description": "Brug et billede som bagside på dine kort."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Oversættelse",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Tekst når kort vendes",
+          "default": "Kort vendes"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Tekst for tidsforbrug",
+          "default": "Tidsforbrug"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback tekst",
+          "default": "Godt klaret!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Prøv igen knaptekst",
+          "default": "Prøv igen?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Luk knaptekst",
+          "default": "Luk"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/de.json b/language/de.json
index 5c725a1..550d6b0 100644
--- a/language/de.json
+++ b/language/de.json
@@ -1,89 +1,114 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Vorgaben"
+          "label": "Default"
         }
       ],
-      "label":"Karten",
-      "entity":"karte",
-      "field":{
-        "label":"Karte",
-        "fields":[
+      "label": "Karten",
+      "entity": "karte",
+      "field": {
+        "label": "Karte",
+        "fields": [
           {
-            "label":"Bild"
+            "label": "Bild"
           },
           {
-            "label":"Passendes Bild",
-            "description":"Ein optionales anderes Bild als Gegenstück statt zwei Karten mit dem selben Bild zu nutzen"
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Beschreibung",
-            "description":"Ein kurzer Text, der angezeigt wird, sobald zwei identische Karten gefunden werden."
+            "label": "Beschreibung",
+            "description": "Ein kurzer Text, der angezeigt wird, sobald zwei identische Karten gefunden werden."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Interaktionseinstellungen",
-      "description":"Mit diesen Einstellungen kannst du das Verhalten des Spiels anpassen.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Positioniere die Karten in einem Quadrat.",
-          "description":"Es wird versucht, die Anzahl der Zeilen und Spalten passend zu den Karten einzustellen. Danach werden die Karten passend skaliert."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Anzahl der zu nutzenden Karten",
-          "description":"Wird hier eine Zahl größer als 2 eingestellt, werden zufällig Karten aus der Kartenliste gezogen."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Füge einen Button hinzu, um das Spiel noch einmal neu zu starten zu können, wenn es vorbei ist."
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Design-Aspekte",
-      "description":"Beeinflusse die Optik des Spiels",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Themenfarbe",
-          "description":"Wähle eine Farbe, um ein Theme für deine Karten zu erstellen.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Kartenrückseite",
-          "description":"Nutze eine individuelle Rückseite für deine Karten."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Übersetzung",
-      "fields":[
+      "label": "Übersetzung",
+      "fields": [
         {
-          "label":"Text für die Anzahl der Züge",
-          "default":"Züge"
+          "label": "Text für die Anzahl der Züge",
+          "default": "Züge"
         },
         {
-          "label":"Text für die benötigte Zeit",
-          "default":"Benötigte Zeit"
+          "label": "Text für die benötigte Zeit",
+          "default": "Benötigte Zeit"
         },
         {
-          "label":"Text als Rückmeldung",
-          "default":"Gute Arbeit!"
+          "label": "Text als Rückmeldung",
+          "default": "Gute Arbeit!"
         },
         {
-          "label":"Text des Wiederholen-Buttons",
-          "default":"Erneut versuchen?"
+          "label": "Try again button text",
+          "default": "Reset"
         },
         {
-          "label":"Beschriftung des \"Abbrechen\"-Buttons",
-          "default":"Schließen"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/language/el.json b/language/el.json
index 240360f..7101e4c 100644
--- a/language/el.json
+++ b/language/el.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/es.json b/language/es.json
index ba7edf2..ad9acad 100644
--- a/language/es.json
+++ b/language/es.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Predeterminado"
+          "label": "Predeterminado"
         }
       ],
-      "label":"Tarjetas",
-      "entity":"card",
-      "field":{
-        "label":"Tarjeta",
-        "fields":[
+      "label": "Tarjetas",
+      "entity": "card",
+      "field": {
+        "label": "Tarjeta",
+        "fields": [
           {
-            "label":"Imagen"
+            "label": "Imagen"
           },
           {
-            "label":"Imagen coincidente",
-            "description":"Una imagen opcional para emparejar, en vez de usar dos tarjetas con la misma imagen."
+            "label": "Imagen coincidente",
+            "description": "Una imagen opcional para emparejar, en vez de usar dos tarjetas con la misma imagen."
           },
           {
-            "label":"Descripción",
-            "description":"Un breve texto opcional que aparecerá una vez se encuentren las dos cartas coincidentes."
+            "label": "Descripción",
+            "description": "Un breve texto opcional que aparecerá una vez se encuentren las dos cartas coincidentes."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Ajustes de comportamiento",
-      "description":"Estas opciones le permitirán controlar cómo se comporta el juego.",
-      "fields":[
+      "label": "Ajustes de comportamiento",
+      "description": "Estas opciones le permitirán controlar cómo se comporta el juego.",
+      "fields": [
         {
-          "label":"Coloca las tarjetas en un cuadrado",
-          "description":"Intentará igualar el número de columnas y filas al distribuir las tarjetas. Después, las tarjetas se escalarán para que se ajusten al contenedor."
+          "label": "Coloca las tarjetas en un cuadrado",
+          "description": "Intentará igualar el número de columnas y filas al distribuir las tarjetas. Después, las tarjetas se escalarán para que se ajusten al contenedor."
         },
         {
-          "label":"Número de tarjetas a utilizar",
-          "description":"Establecer esto a un número mayor que 2 hará que el juego seleccione tarjetas aleatorias de la lista de tarjetas."
+          "label": "Número de tarjetas a utilizar",
+          "description": "Establecer esto a un número mayor que 2 hará que el juego seleccione tarjetas aleatorias de la lista de tarjetas."
         },
         {
-          "label":"Añadir botón para volver a intentarlo cuando el juego ha terminado"
+          "label": "Añadir botón para volver a intentarlo cuando el juego ha terminado"
         }
       ]
     },
     {
-      "label":"Aspecto y comportamiento",
-      "description":"Controla los efectos visuales del juego.",
-      "fields":[
+      "label": "Aspecto y comportamiento",
+      "description": "Controla los efectos visuales del juego.",
+      "fields": [
         {
-          "label":"Color del tema",
-          "description":"Elegir un color para crear un tema para su juego de cartas.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Color del tema",
+          "description": "Elegir un color para crear un tema para su juego de cartas.",
+          "default": "#909090"
         },
         {
-          "label":"Parte posterior de la tarjeta",
-          "description":"Utilice una parte posterior personalizada para sus tarjetas."
+          "label": "Parte posterior de la tarjeta",
+          "description": "Utilice una parte posterior personalizada para sus tarjetas."
         }
       ]
     },
     {
-      "label":"Localización",
-      "fields":[
+      "label": "Localización",
+      "fields": [
         {
-          "label":"Texto para los giros de tarjetas",
-          "default":"Giros de tarjeta"
+          "label": "Texto para los giros de tarjetas",
+          "default": "Giros de tarjeta"
         },
         {
-          "label":"Texto de tiempo usado",
-          "default":"Tiempo usado"
+          "label": "Texto de tiempo usado",
+          "default": "Tiempo usado"
         },
         {
-          "label":"Texto de comentarios",
-          "default":"¡Buen trabajo!"
+          "label": "Texto de comentarios",
+          "default": "¡Buen trabajo!"
         },
         {
-          "label":"Intente del botón Intente de nuevo",
-          "default":"¿Volver a intentarlo?"
+          "label": "Intente del botón Intente de nuevo",
+          "default": "¿Volver a intentarlo?"
         },
         {
-          "label":"Etiqueta del botón Cerrar",
-          "default":"Cerrar"
+          "label": "Etiqueta del botón Cerrar",
+          "default": "Cerrar"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/et.json b/language/et.json
index 240360f..7101e4c 100644
--- a/language/et.json
+++ b/language/et.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/fi.json b/language/fi.json
index 240360f..14232b6 100644
--- a/language/fi.json
+++ b/language/fi.json
@@ -1,89 +1,109 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label":"Oletus"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
+      "label":"Kortit",
+      "entity":"kortti",
       "field":{
-        "label":"Card",
+        "label":"Kortti",
         "fields":[
           {
-            "label":"Image"
+            "label":"Kuva"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label":"Vastattava kuva",
+            "description":"Valinnainen kuva johon verrata korttia sen sijaan, että kortille etsitään toista samaa kuvaa pariksi."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label":"Selite",
+            "description":"Valinnainen lyhyt teksti, joka näytetään kun oikea pari on löydetty."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
+      "label":"Yleisasetukset",
+      "description":"Näillä valinnoilla voit muokata pelin asetuksia.",
       "fields":[
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label":"Aseta kortit säännöllisesti",
+          "description":"Yrittää sovittaa kortit ruudukkomuotoon rivien sijaan."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label":"Korttien lukumäärä",
+          "description":"Kun lukumäärä on suurempi kuin kaksi, annettu määrä kortteja arvotaan kaikista korteista pelattavaksi."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label":"Salli Yritä uudelleen -painike pelin päätyttyä"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
+      "label":"Ulkoasu",
+      "description":"Hallinnoi pelin ulkoasua.",
       "fields":[
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
+          "label":"Väriteema",
+          "description":"Valitse väri luodaksesi teeman pelille.",
           "default":"#909090",
           "spectrum":{
             
           }
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label":"Kortin kääntöpuoli",
+          "description":"Mukauta korttien kääntöpuoli."
         }
       ]
     },
     {
-      "label":"Localization",
+      "label":"Tekstit",
       "fields":[
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label":"Kortteja käännetty",
+          "default":"Kortteja käännetty"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label":"Aikaa kulunut",
+          "default":"Aikaa kulunut"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label":"Palaute",
+          "default":"Hyvää työtä!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label":"Painikkeen Yritä uudelleen teksti",
+          "default":"Yritä uudelleen?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label":"Painikkeen Sulje teksti",
+          "default":"Sulje"
+        },
+        {
+          "label": "Pelin kuvaus",
+          "default": "Muistipeli. Löydä parit."
+        },
+        {
+          "label": "Peli päättynyt",
+          "default": "Kaikki parit löydetty."
+        },
+        {
+          "label": "Kortin yksilöllinen järjestysnumero",
+          "default": "Kortti %num:"
+        },
+        {
+          "label": "Kääntämätön",
+          "default": "Kääntämätön."
+        },
+        {
+          "label": "Pari löytynyt",
+          "default": "Pari löydetty."
         }
       ]
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/language/fr.json b/language/fr.json
index d2952ac..32ca798 100644
--- a/language/fr.json
+++ b/language/fr.json
@@ -1,89 +1,114 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cartes",
-      "entity":"carte",
-      "field":{
-        "label":"Carte",
-        "fields":[
+      "label": "Cartes",
+      "entity": "carte",
+      "field": {
+        "label": "Carte",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"Petit texte affiché quand deux cartes identiques sont trouvées."
+            "label": "Description",
+            "description": "Petit texte affiché quand deux cartes identiques sont trouvées."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Interface",
-      "fields":[
+      "label": "Interface",
+      "fields": [
         {
-          "label":"Texte pour le nombre de cartes retournées",
-          "default":"Cartes retournées :"
+          "label": "Texte pour le nombre de cartes retournées",
+          "default": "Cartes retournées :"
         },
         {
-          "label":"Texte pour le temps passé",
-          "default":"Temps écoulé :"
+          "label": "Texte pour le temps passé",
+          "default": "Temps écoulé :"
         },
         {
-          "label":"Texte de l'appréciation finale",
-          "default":"Bien joué !"
+          "label": "Texte de l'appréciation finale",
+          "default": "Bien joué !"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Reset"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/language/he.json b/language/he.json
index 240360f..7101e4c 100644
--- a/language/he.json
+++ b/language/he.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/hu.json b/language/hu.json
index 240360f..7101e4c 100644
--- a/language/hu.json
+++ b/language/hu.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/it.json b/language/it.json
index 606af60..6a2e4c3 100644
--- a/language/it.json
+++ b/language/it.json
@@ -1,89 +1,114 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Carte",
-      "entity":"carta",
-      "field":{
-        "label":"Carta",
-        "fields":[
+      "label": "Carte",
+      "entity": "carta",
+      "field": {
+        "label": "Carta",
+        "fields": [
           {
-            "label":"Immagine"
+            "label": "Immagine"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Descrizione",
-            "description":"Breve testo visualizzato quando due carte uguali vengono trovate."
+            "label": "Descrizione",
+            "description": "Breve testo visualizzato quando due carte uguali vengono trovate."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localizzazione",
-      "fields":[
+      "label": "Localizzazione",
+      "fields": [
         {
-          "label":"Testo Gira carta",
-          "default":"Card turns"
+          "label": "Testo Gira carta",
+          "default": "Card turns"
         },
         {
-          "label":"Testo Tempo trascorso",
-          "default":"Time spent"
+          "label": "Testo Tempo trascorso",
+          "default": "Time spent"
         },
         {
-          "label":"Testo Feedback",
-          "default":"Good work!"
+          "label": "Testo Feedback",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Reset"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/language/ja.json b/language/ja.json
index 5f235f6..ca82581 100644
--- a/language/ja.json
+++ b/language/ja.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"デフォルト"
+          "label": "デフォルト"
         }
       ],
-      "label":"カード",
-      "entity":"card",
-      "field":{
-        "label":"カード",
-        "fields":[
+      "label": "カード",
+      "entity": "card",
+      "field": {
+        "label": "カード",
+        "fields": [
           {
-            "label":"画像"
+            "label": "画像"
           },
           {
-            "label":"一致させる画像",
-            "description":"同じ画像の2枚のカードを使用する代わりに、別に一致させるためのオプション画像"
+            "label": "一致させる画像",
+            "description": "同じ画像の2枚のカードを使用する代わりに、別に一致させるためのオプション画像"
           },
           {
-            "label":"説明",
-            "description":"一致する2つのカードが見つかるとポップアップするオプションの短文テキスト。"
+            "label": "説明",
+            "description": "一致する2つのカードが見つかるとポップアップするオプションの短文テキスト。"
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"動作設定",
-      "description":"これらのオプションを使用して、ゲームの動作を制御できます。",
-      "fields":[
+      "label": "動作設定",
+      "description": "これらのオプションを使用して、ゲームの動作を制御できます。",
+      "fields": [
         {
-          "label":"カードを正方形に配置",
-          "description":"カードをレイアウトするときに、列と行の数を一致させてみてください。そうすると、カードは、コンテナに合わせてスケーリングされます。"
+          "label": "カードを正方形に配置",
+          "description": "カードをレイアウトするときに、列と行の数を一致させてみてください。そうすると、カードは、コンテナに合わせてスケーリングされます。"
         },
         {
-          "label":"使用するカードの数",
-          "description":"これを2よりも大きい数値に設定すると、カードのリストからランダムなカードが選ばれるようになります。"
+          "label": "使用するカードの数",
+          "description": "これを2よりも大きい数値に設定すると、カードのリストからランダムなカードが選ばれるようになります。"
         },
         {
-          "label":"ゲームが終了したときに、リトライのためのボタンを追加"
+          "label": "ゲームが終了したときに、リトライのためのボタンを追加"
         }
       ]
     },
     {
-      "label":"ルック＆フィール",
-      "description":"ゲームの外観を制御します。",
-      "fields":[
+      "label": "ルック＆フィール",
+      "description": "ゲームの外観を制御します。",
+      "fields": [
         {
-          "label":"テーマ色",
-          "description":"カードゲームのテーマとなる色を選択してください。",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "テーマ色",
+          "description": "カードゲームのテーマとなる色を選択してください。",
+          "default": "#909090"
         },
         {
-          "label":"カード裏",
-          "description":"カードに独自の裏を使います。"
+          "label": "カード裏",
+          "description": "カードに独自の裏を使います。"
         }
       ]
     },
     {
-      "label":"ローカリゼーション",
-      "fields":[
+      "label": "ローカリゼーション",
+      "fields": [
         {
-          "label":"カードターン のテキスト",
-          "default":"カードターン"
+          "label": "カードターン のテキスト",
+          "default": "カードターン"
         },
         {
-          "label":"経過時間のテキスト",
-          "default":"経過時間"
+          "label": "経過時間のテキスト",
+          "default": "経過時間"
         },
         {
-          "label":"フィードバックテキスト",
-          "default":"よくできました！"
+          "label": "フィードバックテキスト",
+          "default": "よくできました！"
         },
         {
-          "label":"リトライボタンのテキスト",
-          "default":"もう一度トライしますか ?"
+          "label": "リトライボタンのテキスト",
+          "default": "もう一度トライしますか ?"
         },
         {
-          "label":"閉じるボタンのテキスト",
-          "default":"閉じる"
+          "label": "閉じるボタンのテキスト",
+          "default": "閉じる"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/ko.json b/language/ko.json
index 240360f..7101e4c 100644
--- a/language/ko.json
+++ b/language/ko.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/nb.json b/language/nb.json
index 0a422f9..21218d7 100644
--- a/language/nb.json
+++ b/language/nb.json
@@ -1,89 +1,114 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Kort",
-      "entity":"kort",
-      "field":{
-        "label":"Kort",
-        "fields":[
+      "label": "Kort",
+      "entity": "kort",
+      "field": {
+        "label": "Kort",
+        "fields": [
           {
-            "label":"Bilde"
+            "label": "Bilde"
           },
           {
-            "label":"Tilhørende bilde",
-            "description":"Et valgfritt bilde som brukes av kort nummer to istedenfor å bruke to kort med samme bilde."
+            "label": "Tilhørende bilde",
+            "description": "Et valgfritt bilde som brukes av kort nummer to istedenfor å bruke to kort med samme bilde."
           },
           {
-            "label":"Beskrivelse",
-            "description":"En valgfri kort tekst som spretter opp når kort-paret er funnet."
+            "label": "Beskrivelse",
+            "description": "En valgfri kort tekst som spretter opp når kort-paret er funnet."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Innstillinger for oppførsel",
-      "description":"Disse instillingene lar deg bestemme hvordan spillet skal oppføre seg.",
-      "fields":[
+      "label": "Innstillinger for oppførsel",
+      "description": "Disse instillingene lar deg bestemme hvordan spillet skal oppføre seg.",
+      "fields": [
         {
-          "label":"Plasser kortene i en firkant",
-          "description":"Vil forsøk å samsvare antall kolonner og rader når kortene legges ut. Etterpå vil kortene bli skalert til å passe beholderen."
+          "label": "Plasser kortene i en firkant",
+          "description": "Vil forsøk å samsvare antall kolonner og rader når kortene legges ut. Etterpå vil kortene bli skalert til å passe beholderen."
         },
         {
-          "label":"Antall kort som skal brukes",
-          "description":"Ved å sette antallet høyere enn 2 vil spillet plukke tilfeldige kort fra listen over kort."
+          "label": "Antall kort som skal brukes",
+          "description": "Ved å sette antallet høyere enn 2 vil spillet plukke tilfeldige kort fra listen over kort."
         },
         {
-          "label":"Legg til knapp for å prøve på nytt når spillet er over"
+          "label": "Legg til knapp for å prøve på nytt når spillet er over"
         }
       ]
     },
     {
-      "label":"Tilpass utseende",
-      "description":"Kontroller de visuelle aspektene ved spillet.",
-      "fields":[
+      "label": "Tilpass utseende",
+      "description": "Kontroller de visuelle aspektene ved spillet.",
+      "fields": [
         {
-          "label":"Temafarge",
-          "description":"Velg en farge for å skape et tema over kortspillet ditt.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Temafarge",
+          "description": "Velg en farge for å skape et tema over kortspillet ditt.",
+          "default": "#909090"
         },
         {
-          "label":"Kortbaksiden",
-          "description":"Bruk en tilpasset kortbakside for kortene dine."
+          "label": "Kortbaksiden",
+          "description": "Bruk en tilpasset kortbakside for kortene dine."
         }
       ]
     },
     {
-      "label":"Oversettelser",
-      "fields":[
+      "label": "Oversettelser",
+      "fields": [
         {
-          "label":"Etikett for antall vendte kort",
-          "default":"Kort vendt"
+          "label": "Etikett for antall vendte kort",
+          "default": "Kort vendt"
         },
         {
-          "label":"Etikett for tid brukt",
-          "default":"Tid brukt"
+          "label": "Etikett for tid brukt",
+          "default": "Tid brukt"
         },
         {
-          "label":"Tilbakemeldingstekst",
-          "default":"Godt jobbet!"
+          "label": "Tilbakemeldingstekst",
+          "default": "Godt jobbet!"
         },
         {
-          "label":"Prøv på nytt-tekst",
-          "default":"Prøv på nytt?"
+          "label": "Prøv på nytt-tekst",
+          "default": "Prøv på nytt?"
         },
         {
-          "label":"Lukk knapp-merkelapp",
-          "default":"Lukk"
+          "label": "Lukk knapp-merkelapp",
+          "default": "Lukk"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/language/nl.json b/language/nl.json
index 240360f..7101e4c 100644
--- a/language/nl.json
+++ b/language/nl.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/nn.json b/language/nn.json
index 240360f..7101e4c 100644
--- a/language/nn.json
+++ b/language/nn.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/pl.json b/language/pl.json
index 240360f..7101e4c 100644
--- a/language/pl.json
+++ b/language/pl.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/pt.json b/language/pt.json
index 240360f..7101e4c 100644
--- a/language/pt.json
+++ b/language/pt.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/ro.json b/language/ro.json
index 240360f..7101e4c 100644
--- a/language/ro.json
+++ b/language/ro.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/ru.json b/language/ru.json
index 240360f..7101e4c 100644
--- a/language/ru.json
+++ b/language/ru.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/sr.json b/language/sr.json
index 240360f..7101e4c 100644
--- a/language/sr.json
+++ b/language/sr.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/sv.json b/language/sv.json
index 240360f..7101e4c 100644
--- a/language/sv.json
+++ b/language/sv.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/tr.json b/language/tr.json
index 240360f..7101e4c 100644
--- a/language/tr.json
+++ b/language/tr.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/language/vi.json b/language/vi.json
index 240360f..7101e4c 100644
--- a/language/vi.json
+++ b/language/vi.json
@@ -1,87 +1,112 @@
 {
-  "semantics":[
+  "semantics": [
     {
-      "widgets":[
+      "widgets": [
         {
-          "label":"Default"
+          "label": "Default"
         }
       ],
-      "label":"Cards",
-      "entity":"card",
-      "field":{
-        "label":"Card",
-        "fields":[
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
           {
-            "label":"Image"
+            "label": "Image"
           },
           {
-            "label":"Matching Image",
-            "description":"An optional image to match against instead of using two cards with the same image."
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
           },
           {
-            "label":"Description",
-            "description":"An optional short text that will pop up once the two matching cards are found."
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          },
+          {
+            "label": "Alternative text for Matching Image",
+            "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
           }
         ]
       }
     },
     {
-      "label":"Behavioural settings",
-      "description":"These options will let you control how the game behaves.",
-      "fields":[
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
         {
-          "label":"Position the cards in a square",
-          "description":"Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
         },
         {
-          "label":"Number of cards to use",
-          "description":"Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
         },
         {
-          "label":"Add button for retrying when the game is over"
+          "label": "Add button for retrying when the game is over"
         }
       ]
     },
     {
-      "label":"Look and feel",
-      "description":"Control the visuals of the game.",
-      "fields":[
+      "label": "Look and feel",
+      "description": "Control the visuals of the game.",
+      "fields": [
         {
-          "label":"Theme Color",
-          "description":"Choose a color to create a theme for your card game.",
-          "default":"#909090",
-          "spectrum":{
-            
-          }
+          "label": "Theme Color",
+          "description": "Choose a color to create a theme for your card game.",
+          "default": "#909090"
         },
         {
-          "label":"Card Back",
-          "description":"Use a custom back for your cards."
+          "label": "Card Back",
+          "description": "Use a custom back for your cards."
         }
       ]
     },
     {
-      "label":"Localization",
-      "fields":[
+      "label": "Localization",
+      "fields": [
         {
-          "label":"Card turns text",
-          "default":"Card turns"
+          "label": "Card turns text",
+          "default": "Card turns"
         },
         {
-          "label":"Time spent text",
-          "default":"Time spent"
+          "label": "Time spent text",
+          "default": "Time spent"
         },
         {
-          "label":"Feedback text",
-          "default":"Good work!"
+          "label": "Feedback text",
+          "default": "Good work!"
         },
         {
-          "label":"Try again button text",
-          "default":"Try again?"
+          "label": "Try again button text",
+          "default": "Try again?"
         },
         {
-          "label":"Close button label",
-          "default":"Close"
+          "label": "Close button label",
+          "default": "Close"
+        },
+        {
+          "label": "Game label",
+          "default": "Memory Game. Find the matching cards."
+        },
+        {
+          "label": "Game finished label",
+          "default": "All of the cards have been found."
+        },
+        {
+          "label": "Card indexing label",
+          "default": "Card %num:"
+        },
+        {
+          "label": "Card unturned label",
+          "default": "Unturned."
+        },
+        {
+          "label": "Card matched label",
+          "default": "Match found."
         }
       ]
     }
diff --git a/library.json b/library.json
index 2437820..64a27f7 100644
--- a/library.json
+++ b/library.json
@@ -3,7 +3,7 @@
   "description": "See how many cards you can remember!",
   "majorVersion": 1,
   "minorVersion": 2,
-  "patchVersion": 5,
+  "patchVersion": 8,
   "runnable": 1,
   "author": "Joubel",
   "license": "MIT",
diff --git a/memory-game.css b/memory-game.css
index 5808ffb..cdb63cd 100644
--- a/memory-game.css
+++ b/memory-game.css
@@ -1,6 +1,14 @@
 .h5p-memory-game {
   overflow: hidden;
 }
+.h5p-memory-game .h5p-memory-hidden-read {
+  position: absolute;
+  top: -1px;
+  left: -1px;
+  width: 1px;
+  height: 1px;
+  color: transparent;
+}
 .h5p-memory-game > ul {
   list-style: none !important;
   padding: 0.25em 0.5em !important;
@@ -186,9 +194,6 @@
   margin: 0 1em 0 0;
   font-weight: bold;
 }
-.h5p-memory-game .h5p-status > dt:after {
-  content: ":";
-}
 .h5p-memory-game .h5p-status > dd {
   margin: 0;
 }
@@ -307,3 +312,6 @@
   transform: translate(-50%,-450%) scale(0) rotate(360deg);
   opacity: 0;
 }
+.h5p-memory-complete {
+  display: none;
+}
diff --git a/memory-game.js b/memory-game.js
index a0029f6..1557e18 100644
--- a/memory-game.js
+++ b/memory-game.js
@@ -5,6 +5,7 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
   var CARD_STD_SIZE = 116; // PX
   var STD_FONT_SIZE = 16; // PX
   var LIST_PADDING = 1; // EMs
+  var numInstances = 0;
 
   /**
    * Memory Game Constructor
@@ -21,11 +22,28 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
     // Initialize event inheritance
     EventDispatcher.call(self);
 
-    var flipped, timer, counter, popup, $feedback, $wrapper, maxWidth, numCols;
+    var flipped, timer, counter, popup, $bottom, $taskComplete, $feedback, $wrapper, maxWidth, numCols;
     var cards = [];
     var flipBacks = []; // Que of cards to be flipped back
     var numFlipped = 0;
     var removed = 0;
+    numInstances++;
+
+    // Add defaults
+    parameters = $.extend(true, {
+      l10n: {
+        cardTurns: 'Card turns',
+        timeSpent: 'Time spent',
+        feedback: 'Good work!',
+        tryAgain: 'Reset',
+        closeLabel: 'Close',
+        label: 'Memory Game. Find the matching cards.',
+        done: 'All of the cards have been found.',
+        cardPrefix: 'Card %num: ',
+        cardUnturned: 'Unturned.',
+        cardMatched: 'Match found.'
+      }
+    }, parameters);
 
     /**
      * Check if these two cards belongs together.
@@ -49,17 +67,17 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
         return;
       }
 
-      // Remove them from the game.
-      card.remove();
-      mate.remove();
-
       // Update counters
       numFlipped -= 2;
       removed += 2;
 
       var isFinished = (removed === cards.length);
-      var desc = card.getDescription();
 
+      // Remove them from the game.
+      card.remove(!isFinished);
+      mate.remove();
+
+      var desc = card.getDescription();
       if (desc !== undefined) {
         // Pause timer and show desciption.
         timer.pause();
@@ -67,19 +85,25 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
         if (card.hasTwoImages) {
           imgs.push(mate.getImage());
         }
-        popup.show(desc, imgs, cardStyles ? cardStyles.back : undefined, function () {
+        popup.show(desc, imgs, cardStyles ? cardStyles.back : undefined, function (refocus) {
           if (isFinished) {
             // Game done
+            card.makeUntabbable();
             finished();
           }
           else {
             // Popup is closed, continue.
             timer.play();
+
+            if (refocus) {
+              card.setFocus();
+            }
           }
         });
       }
       else if (isFinished) {
         // Game done
+        card.makeUntabbable();
         finished();
       }
     };
@@ -90,7 +114,9 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
      */
     var finished = function () {
       timer.stop();
-      $feedback.addClass('h5p-show');
+      $taskComplete.show();
+      $feedback.addClass('h5p-show'); // Announce
+      $bottom.focus();
 
       // Create and trigger xAPI event 'completed'
       var completedEvent = self.createXAPIEventTemplate('completed');
@@ -113,7 +139,7 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
         });
         retryButton.classList.add('h5p-memory-transin');
         setTimeout(function () {
-          // Remove class on nextTick to get transition effect
+          // Remove class on nextTick to get transition effectupd
           retryButton.classList.remove('h5p-memory-transin');
         }, 0);
 
@@ -128,16 +154,14 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
      * Shuffle the cards and restart the game!
      * @private
      */
-    var resetGame = function () {
+    var resetGame = function () {
 
       // Reset cards
       removed = 0;
-      for (var i = 0; i < cards.length; i++) {
-        cards[i].reset();
-      }
 
       // Remove feedback
       $feedback[0].classList.remove('h5p-show');
+      $taskComplete.hide();
 
       // Reset timer and counter
       timer.reset();
@@ -151,11 +175,15 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
         for (var i = 0; i < cards.length; i++) {
           cards[i].reAppend();
         }
+        for (var j = 0; j < cards.length; j++) {
+          cards[j].reset();
+        }
 
         // Scale new layout
         $wrapper.children('ul').children('.h5p-row-break').removeClass('h5p-row-break');
         maxWidth = -1;
         self.trigger('resize');
+        cards[0].setFocus();
       }, 600);
     };
 
@@ -169,7 +197,7 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
       buttonElement.innerHTML = label;
       buttonElement.setAttribute('role', 'button');
       buttonElement.tabIndex = 0;
-      buttonElement.addEventListener('click', function (event) {
+      buttonElement.addEventListener('click', function () {
         action.apply(buttonElement);
       }, false);
       buttonElement.addEventListener('keypress', function (event) {
@@ -190,6 +218,14 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
      */
     var addCard = function (card, mate) {
       card.on('flip', function () {
+
+        // Always return focus to the card last flipped
+        for (var i = 0; i < cards.length; i++) {
+          cards[i].makeUntabbable();
+        }
+        card.makeTabbable();
+
+        popup.close();
         self.triggerXAPI('interacted');
         // Keep track of time spent
         timer.play();
@@ -197,6 +233,11 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
         // Keep track of the number of flipped cards
         numFlipped++;
 
+        // Announce the card unless it's the last one and it's correct
+        var isMatched = (flipped === mate);
+        var isLast = ((removed + 2) === cards.length);
+        card.updateLabel(isMatched, !(isMatched && isLast));
+
         if (flipped !== undefined) {
           var matie = flipped;
           // Reset the flipped card.
@@ -220,6 +261,72 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
         counter.increment();
       });
 
+      /**
+       * Create event handler for moving focus to the next or the previous
+       * card on the table.
+       *
+       * @private
+       * @param {number} direction +1/-1
+       * @return {function}
+       */
+      var createCardChangeFocusHandler = function (direction) {
+        return function () {
+          // Locate next card
+          for (var i = 0; i < cards.length; i++) {
+            if (cards[i] === card) {
+              // Found current card
+
+              var nextCard, fails = 0;
+              do {
+                fails++;
+                nextCard = cards[i + (direction * fails)];
+                if (!nextCard) {
+                  return; // No more cards
+                }
+              }
+              while (nextCard.isRemoved());
+
+              card.makeUntabbable();
+              nextCard.setFocus();
+
+              return;
+            }
+          }
+        };
+      };
+
+      // Register handlers for moving focus to next and previous card
+      card.on('next', createCardChangeFocusHandler(1));
+      card.on('prev', createCardChangeFocusHandler(-1));
+
+      /**
+       * Create event handler for moving focus to the first or the last card
+       * on the table.
+       *
+       * @private
+       * @param {number} direction +1/-1
+       * @return {function}
+       */
+      var createEndCardFocusHandler = function (direction) {
+        return function () {
+          var focusSet = false;
+          for (var i = 0; i < cards.length; i++) {
+            var j = (direction === -1 ? cards.length - (i + 1) : i);
+            if (!focusSet && !cards[j].isRemoved()) {
+              cards[j].setFocus();
+              focusSet = true;
+            }
+            else if (cards[j] === card) {
+              card.makeUntabbable();
+            }
+          }
+        };
+      };
+
+      // Register handlers for moving focus to first and last card
+      card.on('first', createEndCardFocusHandler(1));
+      card.on('last', createEndCardFocusHandler(-1));
+
       cards.push(card);
     };
 
@@ -277,16 +384,16 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
       var cardParams = cardsToUse[i];
       if (MemoryGame.Card.isValid(cardParams)) {
         // Create first card
-        var cardTwo, cardOne = new MemoryGame.Card(cardParams.image, id, cardParams.description, cardStyles);
+        var cardTwo, cardOne = new MemoryGame.Card(cardParams.image, id, cardParams.imageAlt, parameters.l10n, cardParams.description, cardStyles);
 
         if (MemoryGame.Card.hasTwoImages(cardParams)) {
           // Use matching image for card two
-          cardTwo = new MemoryGame.Card(cardParams.match, id, cardParams.description, cardStyles);
+          cardTwo = new MemoryGame.Card(cardParams.match, id, cardParams.matchAlt, parameters.l10n, cardParams.description, cardStyles);
           cardOne.hasTwoImages = cardTwo.hasTwoImages = true;
         }
         else {
           // Add two cards with the same image
-          cardTwo = new MemoryGame.Card(cardParams.image, id, cardParams.description, cardStyles);
+          cardTwo = new MemoryGame.Card(cardParams.image, id, cardParams.imageAlt, parameters.l10n, cardParams.description, cardStyles);
         }
 
         // Add cards to card list for shuffeling
@@ -310,25 +417,45 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
       }
 
       // Add cards to list
-      var $list = $('<ul/>');
+      var $list = $('<ul/>', {
+        role: 'application',
+        'aria-labelledby': 'h5p-intro-' + numInstances
+      });
       for (var i = 0; i < cards.length; i++) {
         cards[i].appendTo($list);
       }
+      cards[0].makeTabbable();
 
       if ($list.children().length) {
+        $('<div/>', {
+          id: 'h5p-intro-' + numInstances,
+          'class': 'h5p-memory-hidden-read',
+          html: parameters.l10n.label,
+          appendTo: $container
+        });
         $list.appendTo($container);
 
-        $feedback = $('<div class="h5p-feedback">' + parameters.l10n.feedback + '</div>').appendTo($container);
+        $bottom = $('<div/>', {
+          tabindex: '-1',
+          appendTo: $container
+        });
+        $taskComplete = $('<div/>', {
+          'class': 'h5p-memory-complete h5p-memory-hidden-read',
+          html: parameters.l10n.done,
+          appendTo: $bottom
+        });
+
+        $feedback = $('<div class="h5p-feedback">' + parameters.l10n.feedback + '</div>').appendTo($bottom);
 
         // Add status bar
         var $status = $('<dl class="h5p-status">' +
-                        '<dt>' + parameters.l10n.timeSpent + '</dt>' +
-                        '<dd class="h5p-time-spent">0:00</dd>' +
-                        '<dt>' + parameters.l10n.cardTurns + '</dt>' +
-                        '<dd class="h5p-card-turns">0</dd>' +
-                        '</dl>').appendTo($container);
+                        '<dt>' + parameters.l10n.timeSpent + ':</dt>' +
+                        '<dd class="h5p-time-spent"><time role="timer" datetime="PT0M0S">0:00</time><span class="h5p-memory-hidden-read">.</span></dd>' +
+                        '<dt>' + parameters.l10n.cardTurns + ':</dt>' +
+                        '<dd class="h5p-card-turns">0<span class="h5p-memory-hidden-read">.</span></dd>' +
+                        '</dl>').appendTo($bottom);
 
-        timer = new MemoryGame.Timer($status.find('.h5p-time-spent')[0]);
+        timer = new MemoryGame.Timer($status.find('time')[0]);
         counter = new MemoryGame.Counter($status.find('.h5p-card-turns'));
         popup = new MemoryGame.Popup($container, parameters.l10n);
 
@@ -340,10 +467,10 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
 
     /**
      * Will try to scale the game so that it fits within its container.
-     * Puts the cards into a grid layout to make it as square as possible – 
+     * Puts the cards into a grid layout to make it as square as possible –
      * which improves the playability on multiple devices.
      *
-     * @private
+     * @private
      */
     var scaleGameSize = function () {
 
@@ -411,7 +538,7 @@ H5P.MemoryGame = (function (EventDispatcher, $) {
   /**
    * Determine color contrast level compared to white(#fff)
    *
-   * @private
+   * @private
    * @param {string} color hex code
    * @return {number} From 1 to Infinity.
    */
diff --git a/popup.js b/popup.js
index 24b2b46..07c3f64 100644
--- a/popup.js
+++ b/popup.js
@@ -13,16 +13,16 @@
 
     var closed;
 
-    var $popup = $('<div class="h5p-memory-pop"><div class="h5p-memory-top"></div><div class="h5p-memory-desc"></div><div class="h5p-memory-close" role="button" tabindex="0" title="' + (l10n.closeLabel || 'Close') + '"></div></div>').appendTo($container);
+    var $popup = $('<div class="h5p-memory-pop" role="dialog"><div class="h5p-memory-top"></div><div class="h5p-memory-desc" tabindex="-1"></div><div class="h5p-memory-close" role="button" tabindex="0" title="' + (l10n.closeLabel || 'Close') + '"></div></div>').appendTo($container);
     var $desc = $popup.find('.h5p-memory-desc');
     var $top = $popup.find('.h5p-memory-top');
 
     // Hook up the close button
-    $popup.find('.h5p-memory-close').on('click', function () {
-      self.close();
+    $popup.find('.h5p-memory-close').on('click', function () {
+      self.close(true);
     }).on('keypress', function (event) {
       if (event.which === 13 || event.which === 32) {
-        self.close();
+        self.close(true);
         event.preventDefault();
       }
     });
@@ -41,22 +41,26 @@
         $('<div class="h5p-memory-image"' + (styles ? styles : '') + '></div>').append(imgs[i]).appendTo($top);
       }
       $popup.show();
+      $desc.focus();
       closed = done;
     };
 
     /**
      * Close the popup.
+     *
+     * @param {boolean} refocus Sets focus after closing the dialog
      */
-    self.close = function () {
+    self.close = function (refocus) {
       if (closed !== undefined) {
         $popup.hide();
-        closed();
+        closed(refocus);
         closed = undefined;
       }
     };
 
     /**
      * Sets popup size relative to the card size
+     *
      * @param {number} fontSize
      */
     self.setSize = function (fontSize) {
diff --git a/semantics.json b/semantics.json
index fd274e2..0333ce0 100644
--- a/semantics.json
+++ b/semantics.json
@@ -26,6 +26,13 @@
           "importance": "high",
           "ratio": 1
         },
+        {
+          "name": "imageAlt",
+          "type": "text",
+          "label": "Alternative text for Image",
+          "importance": "high",
+          "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+        },
         {
           "name": "match",
           "type": "image",
@@ -35,6 +42,14 @@
           "description": "An optional image to match against instead of using two cards with the same image.",
           "ratio": 1
         },
+        {
+          "name": "matchAlt",
+          "type": "text",
+          "label": "Alternative text for Matching Image",
+          "importance": "low",
+          "optional": true,
+          "description": "Describe what can be seen in the photo. The text is read by text-to-speech tools needed by visually impaired users."
+        },
         {
           "name": "description",
           "type": "text",
@@ -146,7 +161,7 @@
         "importance": "low",
         "name": "tryAgain",
         "type": "text",
-        "default": "Try again?"
+        "default": "Reset"
       },
       {
         "label": "Close button label",
@@ -154,7 +169,42 @@
         "name": "closeLabel",
         "type": "text",
         "default": "Close"
+      },
+      {
+        "label": "Game label",
+        "importance": "low",
+        "name": "label",
+        "type": "text",
+        "default": "Memory Game. Find the matching cards."
+      },
+      {
+        "label": "Game finished label",
+        "importance": "low",
+        "name": "done",
+        "type": "text",
+        "default": "All of the cards have been found."
+      },
+      {
+        "label": "Card indexing label",
+        "importance": "low",
+        "name": "cardPrefix",
+        "type": "text",
+        "default": "Card %num:"
+      },
+      {
+        "label": "Card unturned label",
+        "importance": "low",
+        "name": "cardUnturned",
+        "type": "text",
+        "default": "Unturned."
+      },
+      {
+        "label": "Card matched label",
+        "importance": "low",
+        "name": "cardMatched",
+        "type": "text",
+        "default": "Match found."
       }
     ]
   }
-]
+]
\ No newline at end of file
diff --git a/timer.js b/timer.js
index 339392e..4af4caf 100644
--- a/timer.js
+++ b/timer.js
@@ -28,6 +28,11 @@
 
       var minutes = Timer.extractTimeElement(time, 'minutes');
       var seconds = Timer.extractTimeElement(time, 'seconds') % 60;
+
+      // Update duration attribute
+      element.setAttribute('datetime', 'PT' + minutes + 'M' + seconds + 'S');
+
+      // Add leading zero
       if (seconds < 10) {
         seconds = '0' + seconds;
       }
diff --git a/upgrades.js b/upgrades.js
index 42c39bd..ce870bc 100644
--- a/upgrades.js
+++ b/upgrades.js
@@ -1,6 +1,6 @@
 var H5PUpgrades = H5PUpgrades || {};
 
-H5PUpgrades['H5P.MemoryGame'] = (function ($) {
+H5PUpgrades['H5P.MemoryGame'] = (function () {
   return {
     1: {
       /**
@@ -42,4 +42,4 @@ H5PUpgrades['H5P.MemoryGame'] = (function ($) {
       }
     }
   };
-})(H5P.jQuery);
+})();