價格：免費
更新日期：2019-05-25
檔案大小：17M
目前版本：3.0.5
版本需求：Android 5.0 以上版本
官方網站：mailto:lilloserg96@outlook.com
Train your mind by solving mathematical operations before the stopwatch reaches zero. The most daring ones can increase the difficulty of the game by choosing from the four levels of difficulty available:
Difficulty
