TapTap for GREE -
Enjoy millions of the latest Android apps, games, music, movies, TV, books, magazines & more. Anytime, anywhere, across your devices.
Remember the position of the letters(0-9,A-Z) on the blackboard.
The letters disappear and a letter shows up on the top.
Simply tap within the time frame where the letter was displayed.
New levels will bring new challenges, like adding or subtracting... alphabet letters!