Quick Piano

1.20 - improved action bar
- preferences management with key notation and key light chooser
- new midi song "Ode to joy"

1.15 - better midi playing
- code arquitecture improvements
- bug fixing

1.10 - added midi songs to play and learn

1.04 - added instruments to choose: piano, tone and goat!
- new octave control

1.03 - improved performance
- octave notation correction
- may be installed on the external storage