simple game like the famous game named "filling", you play again the device, you start at the top left of the screen with 1 block, and the device AI starts with 1 block in the bottom right of the playground. you can change your color to get your neighbor blocks with the same color. the AI also can do that, the winner is the one who gets more blocks than the other player with small remain blocks in the field. this is just a small game that has been developed years ago, it is still a prototype.