Fifteen Puzzle is a free Android puzzle game developed by Riccardo Crosato. As the name suggests, it is a simple version of the popular Fifteen Puzzle game. The goal of the game is to sort the frame of 15 numbered tiles. The game provides an option to set the speed of messing up and the number of random moves.

One of the unique features of the Fifteen Puzzle app is the animation of tiles during messing up, which adds a fun element to the game. Additionally, the app can also be used as a memory game, making it a versatile option for puzzle enthusiasts. Overall, Fifteen Puzzle is a great choice for those looking for a straightforward yet entertaining puzzle game on their Android device.