Company Blowbend.jp created these great apps:
Old Watch, TiZo, Maelz DX(metronome), Maelz, Maelz Sport, Maelz Pro(metronome), Beautiful Metronome, TiZo Pro, Guitar Tuner TN-1G, utaOrgan(voice organ), Singer's Guitar, Bass Tuner TN-1B, Chromatic Tuner TN-1M, わだえふえ〜む, TN-DR(drum machine), Clapper!, Think Bulb, Sleepy Metronome, Harmonica Bending Trainer, and others..