Yutaka Kamoto

QuickAnzan is a mental calculation game. Solve 15 simple calculation problems and compete for its ti

Keep Slide is a sliding puzzle with a new way to slide tiles. You can slide tiles faster than a norm

Check your mental math ability with global ranking!HOW TO PLAY:・Choose a mode and touch the start bu

Solve Tower of Hanoi quickly with tap and compete with people around the world!How to play: Move a t