This is a fast-paced math game with lots of fun.
Choose the right answer before time is out, it's easy to understand but difficult to play mental math game.
Version history
1.1.0
2018-07-03
This app has been updated by Apple to display the Apple Watch app icon.
Fix bugs and optimize experience.
1.0.8
2018-06-05
Fix bugs and optimize experience.
1.0.7
2018-06-03
Fix bugs and optimize experience.
1.0.6
2018-06-01
Fix bugs and optimize experience.
1.0.5
2018-05-31
Fix bugs and optimize experience.
1.0.4
2018-05-30
Add Localization,Fix bugs and optimize experience.
1.0.2
2018-05-29
修正BUG,优化操作体验。
1.0.1
2018-05-29
Add New Chapters and Levels!
Fix bugs and optimize experience.
1.0
2018-05-24
Cheat Codes for In-App Purchases
Item
Price
iPhone/iPad
Android
Unlock All Books (Unlock all books, include the later updates!)