his app helps you sequence guitar loop.
It has various guitar chord voicings.
It uses '.sf2' sound font file as sound module.
Save loops and export as 'Standard Midi File'.
'Swing' and 'humanize' feature makes loop more rhythmic.
As grouping loops you can easily organize them.
In song mode you can sequence a complete song form.
Saving directory is "your device inner storage root/KeyboardLoopMaker".

* This app should allow access to media folder to save your data.