7Pad (SevenPad) is a musical tool for playing and learning all kind of scales and chords which knows and helps you with harmony, 7Pad is ridiculously simple to use and is connected to your actual home studio.
Using MIDI Input with USB cable (OTG) connected with your real MIDI keyboard as input controller, you can play complex chords with a one finger control split from your MIDI keyboard, or learn fingerings for your favorite chord progressions. Play and learn scales with visual feedback and colors applying normal velocity, pitch bend, mod-wheel from your usual MIDI keyboard controller.
Using MIDI Output with USB cable or over wifi, you can use 7Pad as a controller for all kinds of MIDI (software and hardware) synthesizers.
With 7Pad Scales and chords, you play the music and learn the instrument, you compose songs with harmony.