diff --git a/src/activities/memory-enumerate/resource/1/Data.qml b/src/activities/memory-enumerate/resource/1/Data.qml
index fd83658f8..f727e6ef9 100644
--- a/src/activities/memory-enumerate/resource/1/Data.qml
+++ b/src/activities/memory-enumerate/resource/1/Data.qml
@@ -1,61 +1,61 @@
 /* GCompris - Data.qml
  *
  * Copyright (C) 2020 Deepak Kumar <deepakdk2431@gmail.com>
  *
  * Authors:
  *   Deepak Kumar <deepakdk2431@gmail.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 3 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 import GCompris 1.0
 import GCompris 1.0 as GCompris
 
 Data {
     objective: qsTr("Match the numbers up to 2.")
     difficulty: 1
 
-    property var url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
+    property string url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
 
     property var texts: [
                 ["", 0],
                 ["", 1],
                 ["", 2],
             ]
 
     property var images: [
                 [url + 'math_0.svg', ''],
                 [url + 'math_1.svg', ''],
                 [url + 'math_2.svg', ''],
             ]
 
     property var sounds: [
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0030.$CA")],
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0031.$CA")],
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0032.$CA")]
             ]
 
     data: [
         { // Level 1
             "columns": 1,
             "rows": 2,
             "texts": texts.slice(0, 3),
             "images": images.slice(0, 3),
             "sounds": sounds.slice(0, 3)
         }
     ]
 }
diff --git a/src/activities/memory-enumerate/resource/2/Data.qml b/src/activities/memory-enumerate/resource/2/Data.qml
index 4500e821f..df7f77179 100644
--- a/src/activities/memory-enumerate/resource/2/Data.qml
+++ b/src/activities/memory-enumerate/resource/2/Data.qml
@@ -1,65 +1,65 @@
 /* GCompris - Data.qml
  *
  * Copyright (C) 2020 Deepak Kumar <deepakdk2431@gmail.com>
  *
  * Authors:
  *   Deepak Kumar <deepakdk2431@gmail.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 3 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 import GCompris 1.0
 import GCompris 1.0 as GCompris
 
 Data {
     objective: qsTr("Match the numbers up to 3.")
     difficulty: 1
 
-    property var url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
+    property string url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
 
     property var texts: [
                 ["", 0],
                 ["", 1],
                 ["", 2],
                 ["", 3]
             ]
 
     property var images: [
                 [url + 'math_0.svg', ''],
                 [url + 'math_1.svg', ''],
                 [url + 'math_2.svg', ''],
                 [url + 'math_3.svg', '']
             ]
 
     property var sounds: [
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0030.$CA")],
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0031.$CA")],
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0032.$CA")],
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0033.$CA")]
             ]
 
     data: [
         { // Level 1
             "columns": 2,
             "rows": 2,
             "texts": texts.slice(0, 4),
             "images": images.slice(0, 4),
             "sounds": sounds.slice(0, 4)
         }
     ]
 }
diff --git a/src/activities/memory-enumerate/resource/3/Data.qml b/src/activities/memory-enumerate/resource/3/Data.qml
index 26974b9f4..8a995782b 100644
--- a/src/activities/memory-enumerate/resource/3/Data.qml
+++ b/src/activities/memory-enumerate/resource/3/Data.qml
@@ -1,69 +1,69 @@
 /* GCompris - Data.qml
  *
  * Copyright (C) 2020 Deepak Kumar <deepakdk2431@gmail.com>
  *
  * Authors:
  *   Deepak Kumar <deepakdk2431@gmail.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 3 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 import GCompris 1.0
 import GCompris 1.0 as GCompris
 
 Data {
     objective: qsTr("Match the numbers up to 4.")
     difficulty: 1
 
-    property var url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
+    property string url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
 
     property var texts: [
                 ["", 0],
                 ["", 1],
                 ["", 2],
                 ["", 3],
                 ["", 4]
             ]
 
     property var images: [
                 [url + 'math_0.svg', ''],
                 [url + 'math_1.svg', ''],
                 [url + 'math_2.svg', ''],
                 [url + 'math_3.svg', ''],
                 [url + 'math_4.svg', '']
             ]
 
     property var sounds: [
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0030.$CA")],
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0031.$CA")],
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0032.$CA")],
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0033.$CA")],
                 ["",
                  GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0034.$CA")],
             ]
 
     data: [
         { // Level 1
             "columns": 2,
             "rows": 2,
             "texts": texts.slice(0, 5),
             "images": images.slice(0, 5),
             "sounds": sounds.slice(0, 5)
         }
     ]
 }
diff --git a/src/activities/memory-enumerate/resource/4/Data.qml b/src/activities/memory-enumerate/resource/4/Data.qml
index 25926f9ae..40010fc94 100644
--- a/src/activities/memory-enumerate/resource/4/Data.qml
+++ b/src/activities/memory-enumerate/resource/4/Data.qml
@@ -1,73 +1,73 @@
 /* GCompris - Data.qml
  *
  * Copyright (C) 2020 Deepak Kumar <deepakdk2431@gmail.com>
  *
  * Authors:
  *   Deepak Kumar <deepakdk2431@gmail.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 3 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 import GCompris 1.0
 import GCompris 1.0 as GCompris
 
 Data {
     objective: qsTr("Match the numbers up to 5.")
     difficulty: 2
 
-    property var url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
+    property string url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
 
     property var texts: [
         ["", 0],
         ["", 1],
         ["", 2],
         ["", 3],
         ["", 4],
         ["", 5]
     ]
 
     property var images: [
         [url + 'math_0.svg', ''],
         [url + 'math_1.svg', ''],
         [url + 'math_2.svg', ''],
         [url + 'math_3.svg', ''],
         [url + 'math_4.svg', ''],
         [url + 'math_5.svg', ''],
     ]
 
     property var sounds: [
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0030.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0031.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0032.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0033.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0034.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0035.$CA")]
     ]
 
     data: [
         { // Level 1
             "columns": 3,
             "rows": 2,
             "texts": texts.slice(0, 6),
             "images": images.slice(0, 6),
             "sounds": sounds.slice(0, 6)
         }
     ]
 }
diff --git a/src/activities/memory-enumerate/resource/5/Data.qml b/src/activities/memory-enumerate/resource/5/Data.qml
index 5cdbff0bc..15599c328 100644
--- a/src/activities/memory-enumerate/resource/5/Data.qml
+++ b/src/activities/memory-enumerate/resource/5/Data.qml
@@ -1,79 +1,79 @@
 /* GCompris - Data.qml
  *
  * Copyright (C) 2020 Deepak Kumar <deepakdk2431@gmail.com>
  *
  * Authors:
  *   Deepak Kumar <deepakdk2431@gmail.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 3 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 import GCompris 1.0
 import GCompris 1.0 as GCompris
 
 Data {
     objective: qsTr("Match the numbers up to 6.")
     difficulty: 3
 
-    property var url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
+    property string url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
 
     property var texts: [
         ["", 0],
         ["", 1],
         ["", 2],
         ["", 3],
         ["", 4],
         ["", 5],
         ["", 6],
 
     ]
 
     property var images: [
         [url + 'math_0.svg', ''],
         [url + 'math_1.svg', ''],
         [url + 'math_2.svg', ''],
         [url + 'math_3.svg', ''],
         [url + 'math_4.svg', ''],
         [url + 'math_5.svg', ''],
         [url + 'math_6.svg', ''],
 
     ]
 
     property var sounds: [
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0030.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0031.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0032.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0033.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0034.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0035.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0036.$CA")]
     ]
 
     data: [
         { // Level 1
             "columns": 3,
             "rows": 2,
             "texts": texts.slice(0, 7),
             "images": images.slice(0, 7),
             "sounds": sounds.slice(0, 7)
         }
     ]
 }
diff --git a/src/activities/memory-enumerate/resource/6/Data.qml b/src/activities/memory-enumerate/resource/6/Data.qml
index 8078c7135..81f89f115 100644
--- a/src/activities/memory-enumerate/resource/6/Data.qml
+++ b/src/activities/memory-enumerate/resource/6/Data.qml
@@ -1,81 +1,81 @@
 /* GCompris - Data.qml
  *
  * Copyright (C) 2020 Deepak Kumar <deepakdk2431@gmail.com>
  *
  * Authors:
  *   Deepak Kumar <deepakdk2431@gmail.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 3 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 import GCompris 1.0
 import GCompris 1.0 as GCompris
 
 Data {
     objective: qsTr("Match the numbers up to 7.")
     difficulty: 3
 
-    property var url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
+    property string url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
 
     property var texts: [
         ["", 0],
         ["", 1],
         ["", 2],
         ["", 3],
         ["", 4],
         ["", 5],
         ["", 6],
         ["", 7],
     ]
 
     property var images: [
         [url + 'math_0.svg', ''],
         [url + 'math_1.svg', ''],
         [url + 'math_2.svg', ''],
         [url + 'math_3.svg', ''],
         [url + 'math_4.svg', ''],
         [url + 'math_5.svg', ''],
         [url + 'math_6.svg', ''],
         [url + 'math_7.svg', '']
     ]
 
     property var sounds: [
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0030.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0031.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0032.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0033.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0034.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0035.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0036.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0037.$CA")]
     ]
 
     data: [
         { // Level 1
             "columns": 4,
             "rows": 2,
             "texts": texts.slice(0, 8),
             "images": images.slice(0, 8),
             "sounds": sounds.slice(0, 8)
         }
     ]
 }
diff --git a/src/activities/memory-enumerate/resource/7/Data.qml b/src/activities/memory-enumerate/resource/7/Data.qml
index cd4de4287..b952bcd57 100644
--- a/src/activities/memory-enumerate/resource/7/Data.qml
+++ b/src/activities/memory-enumerate/resource/7/Data.qml
@@ -1,85 +1,85 @@
 /* GCompris - Data.qml
  *
  * Copyright (C) 2020 Deepak Kumar <deepakdk2431@gmail.com>
  *
  * Authors:
  *   Deepak Kumar <deepakdk2431@gmail.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 3 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 import GCompris 1.0
 import GCompris 1.0 as GCompris
 
 Data {
     objective: qsTr("Match the numbers up to 8.")
     difficulty: 3
 
-    property var url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
+    property string url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
 
     property var texts: [
         ["", 0],
         ["", 1],
         ["", 2],
         ["", 3],
         ["", 4],
         ["", 5],
         ["", 6],
         ["", 7],
         ["", 8]
     ]
 
     property var images: [
         [url + 'math_0.svg', ''],
         [url + 'math_1.svg', ''],
         [url + 'math_2.svg', ''],
         [url + 'math_3.svg', ''],
         [url + 'math_4.svg', ''],
         [url + 'math_5.svg', ''],
         [url + 'math_6.svg', ''],
         [url + 'math_7.svg', ''],
         [url + 'math_8.svg', ''],
     ]
 
     property var sounds: [
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0030.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0031.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0032.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0033.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0034.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0035.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0036.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0037.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0038.$CA")]
     ]
 
     data: [
         { // Level 1
             "columns": 4,
             "rows": 2,
             "texts": texts.slice(0, 9),
             "images": images.slice(0, 9),
             "sounds": sounds.slice(0, 9)
         }
     ]
 }
diff --git a/src/activities/memory-enumerate/resource/8/Data.qml b/src/activities/memory-enumerate/resource/8/Data.qml
index dbc978ce9..2868bc28c 100644
--- a/src/activities/memory-enumerate/resource/8/Data.qml
+++ b/src/activities/memory-enumerate/resource/8/Data.qml
@@ -1,89 +1,89 @@
 /* GCompris - Data.qml
  *
  * Copyright (C) 2020 Deepak Kumar <deepakdk2431@gmail.com>
  *
  * Authors:
  *   Deepak Kumar <deepakdk2431@gmail.com>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 3 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 import GCompris 1.0
 import GCompris 1.0 as GCompris
 
 Data {
     objective: qsTr("Match the numbers up to 9.")
     difficulty: 3
 
-    property var url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
+    property string url: "qrc:/gcompris/src/activities/memory-enumerate/resource/"
 
     property var texts: [
         ["", 0],
         ["", 1],
         ["", 2],
         ["", 3],
         ["", 4],
         ["", 5],
         ["", 6],
         ["", 7],
         ["", 8],
         ["", 9]
     ]
 
     property var images: [
         [url + 'math_0.svg', ''],
         [url + 'math_1.svg', ''],
         [url + 'math_2.svg', ''],
         [url + 'math_3.svg', ''],
         [url + 'math_4.svg', ''],
         [url + 'math_5.svg', ''],
         [url + 'math_6.svg', ''],
         [url + 'math_7.svg', ''],
         [url + 'math_8.svg', ''],
         [url + 'math_9.svg', '']
     ]
 
     property var sounds: [
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0030.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0031.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0032.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0033.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0034.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0035.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0036.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0037.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0038.$CA")],
         ["",
          GCompris.ApplicationInfo.getAudioFilePath("voices-$CA/$LOCALE/alphabet/U0039.$CA")],
     ]
 
     data: [
         { // Level 1
             "columns": 5,
             "rows": 2,
             "texts": texts.slice(0, 10),
             "images": images.slice(0, 10),
             "sounds": sounds.slice(0, 10)
         }
     ]
 }