Play sliding puzzle game on your Android device.15 Puzzle Pro for Android is a sliding puzzle that consists of a frame of 4x4 numbered square tiles in random order with one tile missing. The object of the puzzle is to place the tiles in order. User can select game difficulty from easy, normal, and hard. User can turn on or off for starting the program with splash screen. You can install and run from SD card (for Android 2.2 and above).