CountGame

If you are iPhone and iPad owner,you now can download CountGame for free from Apple Store. The application is designed for use in Japanese language. It weighs in at only 35.4 MB to download. The new CountGame app version has been updated on 2020-08-15. For ensuring consistency with the device you should take into account the following app compatibility information: Requires iOS 12.4 or later. Compatible with iPhone, iPad, and iPod touch.
Bottom Line: For more information about CountGame check developer Ryoma Kobayashi`s website : https://twitter.com/iitotyan