KeyChord – Amazon Appstore for Android – Free app of the day

Use KeyChord as your personal music tutor, learning chords and scales while enjoying the creative side of the piano. Tap on a key to make it the root of your chord, or long-press a selected chord note to invert the chord; do the same with scales! Includes audio playback and a 5-octave multi-touch piano.

Get it here
http://www.amazon.com/mobile-apps/b/ref=topnav_storetab_mas?ie=UTF8&node=2350149011
http://www.amazon.com/gp/product/B006YVGOA4?ie=UTF8&ref=mas_faad