About this app
This education puzzle game to remember the name of the prefecture of Japan Prefecture location or by playing a puzzle produced by Digital Gene. (Prefecture names are only available in Japanese language.)
Latest release
What’s New
Added support for iOS 26. Improved stability and performance. Fixed various bugs.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 2:10 PM Free