This app makes learning scales and chords easy. It will show you: - where to put your finger. - how the notes relate to each other. - how chords and scales relate Best yet is shows you patterns all over the fretboard. You will be able to easily identify common formations and where they need to be. The all also takes in to consideration the use alternative tunings. Full fretboard of scales and chords! Note relationships! Alternative Tunings! How chords and scales relate!