6th February 2013
- Multi-threading Support.
- Support iPad natively (as Universal App).
- Made it easier to select the scale.
- Playable Scale sounds.
- Easier to put chords in the Chart.
- Smoother "Suggest Chord" sounds.
- Play sounds in silent mode.
- Change tempo during playback is now smoother.
- Minor design fixes and etc.
12 Sep 2012 Hidenori Matsuoka releases Piano Kit for iOS
28 May 2012 Hidenori Matsuoka releases Guitar Kit 4 for iOS
05 Oct 2010 Hidenori Matsuoka releases PET Bottling for iOS
11 Sep 2010 Hidenori Matsuoka updates Guitar Kit to v1.0.1
02 Sep 2010 Hidenori Matsuoka updates Chord NOTE to v1.3