Piano Hero Fibonacci 4X4 - Sliding Number Tiles And Playing With Piano Sound
When playing the game, what you should do is just to merge the block in fibonacci order, like 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377 and so on. The game supports GameCenter and the score depends on how fast you can merge the block.