FamiPiano 2 app for iPhone and iPad

FamiPiano 2 is a piano app based on 8-bit game machine.

[features]
- Different sound in same time at the top and bottom pianos.
- All settings in one screen.

[waves]
- Pulse (Duty Cycle: 12.5% / 25% / 50% / 25% negated)
- Triangle
- Noise (Sequence: 32767 steps / randomly 93 or 31 steps)
- Sawtooth

[Specifications]
- Octave switch (Ab/G#-1 (12.9785Hz) - C#8/Db(4434.9Hz) 102 level)
- Envelope (On / Off, 16 level)
- 16 keys in each piano
- 5 keys are touchable in same time (By specification of iOS touch)
- Changed settings are saved