2.3.0
2023-07-04
Added new mode on "Flash Mental Arithmetic" to enjoy this game with every level.
2.2.1
2022-11-17
Changed the style of screen transition.
2.2.0
2022-09-19
Added the description about how to play each of mode on game setting view.
Modified the internal behavior of mode 2.
2.1.0
2022-09-15
Updated the UI design for setting view on each of game modes.
2.0.5
2022-09-06
Modified internal behavior to show advertisement.
2.0.4
2021-03-06
Handled app tracking transparency for ads.
2.0.3
2020-11-21
Changed main view design.
2.0.2
2020-04-21
Fixed internal bug.
2.0.1
2019-10-30
Changed screen transition.
2.0.0
2019-01-10
Added new game mode.
1.3.1
2019-01-02
Supported iPad
1.3.0
2018-12-14
I modified a problem when same number was displayed.
1.2.0
2018-11-15
Support iOS 11.
If answer was incorrect, this app shows expected value.
1.1.0
2018-11-11
I have localized in English.