價格：免費
更新日期：2017-03-14
檔案大小：5.2M
目前版本：1.1.1
版本需求：Android 4.0 以上版本
官方網站：mailto:Naiyemur.rahman@gmail.com
Solve as many simple mental maths calculations as you can before the timer runs out to get the best streak
and choose from 10, 5, 3, or 1 second modes for added pressure!
