A free app for Android, by Progmatique.

The app is an educational game with many fun activities to help you improve your reading and music skills.

To get started, you need to choose a musical instrument: guitar, bass, ukulele, or violin. Then, choose a difficulty level to start with. Next, you need to read the notes and chords in order to play the correct chords and get the correct melody. You can choose to play with all the notes, or with only the notes you have been taught. You can also choose to use the musical scales.

The game is an educational game to help you improve your reading skills.