- Version: 1.2
- Bundle ID: com.59lou.pitchUkulele
- Min iOS: 10.3
- Size: 52.39 MB
- Recorded catalog date: 2019-08-10
- Version: 1.2
- Bundle ID: com.59lou.pitchGuqin
- Min iOS: 10.3
- Size: 47.91 MB
- Recorded catalog date: 2019-08-20
- Version: 1.0
- Bundle ID: com.59lou.cPianoStudyLite
- Min iOS: 10.0
- Size: 46.81 MB
- Recorded catalog date: 2017-10-10
- Version: 1.2
- Bundle ID: com.59lou.earTeacher
- Min iOS: 11.0
- Size: 68.34 MB
- Recorded catalog date: 2020-05-05