Используйте приложение APKPure
Историческую версию Arduino Codes Free можно получить на Android
Это приложение было ряд примеров кода Arduino
This application had variety of Arduino code to use for your example.For an example ,
1)LCD
2)Servos
3)Piezo
4)Rotary Encoder
and many more
This code can be combined with bluetooth control device if the code been adjust.By using arduino programing sofware user can upload the code to Arduino and test the code.
Thank you