Mental arithmetic quest calculation game

The operation chooses the choice of the answer! A calculation RPG game to be able to be idle with one hand by simple operation! Let's train a mental arithmetic power happily in the time that we had free! I can play basic free of charge (there are some charges) till the last. The stage is 100 kinds in total! Because there are the skills such as HP, the rise of offensive ability to a friend, let's aim in combination at the perfection clear well! ●Recommended terminal More than Android 4.0 More than RAM 2GB