A free program for Android, by Genzous Factory.

This is a scale diagram of a guitar, which is used by a professional musician. There are 61 kinds of diagrams in total. If you are able to memorize all of them, you will be able to play all scales on your guitar.

The main thing is that this app helps you improve your musical skills. It makes learning a lot easier, especially for beginners. It’s also perfect for musicians who want to learn more about music. With this app, you can train your finger to move in the right direction.

The most important thing is that this app allows you to learn scales on the guitar. All you need to do is to play the scale on the guitar. The app will then show you the fingerboard and play the note.