Only the current version so far — new entries appear as the app ships updates.
일본어 문자 [히라가나,가타카나] is an education app by 꿈꾸는 개발자. with 10,000+ downloads (about 19K estimated). +11 installs in the last 7 days. Released Jun 29, 2018. Install growth, rank history, SDKs and ad networks.
From the store listing: “A useful learning app for learning Japanese for the first time.
Please start studying Japanese.”