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- Release date: 2026-09-20
- Min iOS: 15.0
- Bundle ID: com.rokkabon.burgerstep
- Version: 1.0.3
- Size: 59.86 MB
- Release date: 2026-03-10
- Min iOS: 13.0
- Bundle ID: jp.rokkabon.yumemo
- Version: 1.0.6
- Size: 75.5 MB
- Release date: 2016-06-01
- Min iOS: 8.0
- Bundle ID: rokkabon.kanjiquiz