【實用遊戲app】Towards ZERO|最夯免費app-綠色工廠好玩App

#It's calculated quickly aiming at 0 from 100, tap !Cerebral training and a head are refreshed with simple mental calculation.* 3 modes - Even number, odd number and natural number* There is also 3 kinds of continuous mode.[Extension by add-on accounting]* Nondisplay of advertisement