Echo String is a really cool Harp music app: with 7 partitions strings with different Chord Mask settings,you can just glide over and create wonderful music. Nice visuals too.
Features
√ 7 partition strings.
√ Chord Mask(string mask).
√ Cool visual effects.
√ Record / Playback.
√ File Management (Save / Open / Delete)
√ Two playback-speed avaliable( original speed or dual speed)
√ Download demo songs in app.
√ Email songs.
√ Tap LED to hide or show string labels.
Get it here 