New Ukelele Chords database for Android devices. New in version 2. 0: 18 chords per key, 12 keys, 3 inversions per chord, for a total of 648 chords. Includes the following chords in all 12 keys: Major, minor, augmented, diminished, dim7, 7, m7, maj7, 6, m6, 9, sus4, 7sus4, mM7, 7+5, m7+5, 7-5, m7-5.