This update from Apple will improve the functionality of this app. No new features are included.

Add  MIDI Channel Select Function
How to set channel.
(1) Click "Setting" App
(2) Click "Pocket Organ C3B3"
(3) Set Channel Swell (Upper Keys) or/and  Great (Lower Keys) or/and  Pedal (Pedal Keys)

- Adjustment of the rotary effect and key click
- New icon

Corrected the mistake of setting in Audiobus.

- Optimized on iOS 9
- Bug fixes

- Optimized appearance on iOS 7 / 8
- Supports Audiobus and Inter-App Audio (requires iOS 7 or later)

- iOS7 Compatible
- Audiobus and Retina Display Compatible
- An optimization Of Percussion, Key Click, Leslie Sound

Featuring CoreMIDI & MIDI Mobilizer support, minor & Major pentatonic scale and minor & Major blues scaled keys that easy to play Rock, Jazz improvisation & bass pedals.

- Switchable key width
- Solved problem of upside down at 180° when using IPad case

Supported iPad with Universal Applications

- Bug fixes
- Enhanced sounds of KeyClick & Rotary Effects