OpenCV_4.2.0/opencv-4.2.0/samples/android/15-puzzle/res/values/strings.xml

<resources>
    <string name="app_name">OCV 15 Puzzle</string>
    <string name="menu_toggle_tile_numbers">Show/hide tile numbers</string>
    <string name="menu_start_new_game">Start new game</string>

</resources>