Используйте приложение APKPure
Историческую версию Banjo Tuner можно получить на Android
Настройте Banjo!
Very easy app to tune the Banjo. Just click on the button and tune the Banjo with the sound of the tuned string!
The app has:
* 10 pitches modes,
* Possibility for automatic repeating of the playing sounds,
* Original instrument sound.