Mikrosonic has updated RD4 - Groovebox to v2.1 and brings MIDI integration for both Android and iOS.
New features:
- USB MIDI support, connects external MIDI keyboards and controllers.
- External MIDI clock sync support.
- Automatic MIDI input focus when switching Instruments.
RD4 - Groovebox is available on the Play Store for Android and on the App Store for iPhone and iPad.