A free app for Android, by Progmatique.

What is NDM?

NDM is a free educational game for learning to play the guitar and other musical instruments such as the ukulele and the violin. It offers an interactive learning experience for beginners and an immersive musical experience for players of all levels.

The goal of the game is to help you learn to play the guitar and other musical instruments such as the ukulele and the violin.

How does NDM work?

The game consists of a set of challenges that are arranged in a way that makes them easy to play and learn at the same time. Each challenge is designed to test your knowledge of music and to help you improve your musical skills.

The game consists of 2 modes: Challenge Mode and Practice Mode.

In Challenge Mode, you will have to complete a set of challenges that are arranged in a way that will test your knowledge of music and help you improve your musical skills.