Download KeyChord - Piano Chords/Scales v2.4 APK.  The dynamic dictionary/reference app for piano chords and scales! Keychord is the dynamic dictionary / reference app for piano chords and scales. Use it to find all the scales and chords! Also included is a 5 octave multitouch piano!  In short: Easy keyboard to lookup and play around with all chords and scales. Lots of chordtypes and scaletypes to choose from. Also reverse lookup and staff view. Included is the 5 octave scrollable multitouch minipiano with 128 different sounds from Mini Piano Pro.