Composer Tools Pro iOS/Android Hosted Midi Controller - What Is It and How Can It Help You? | Production Expert
Developing MIDI applications on Android -
Portable ORG : Oriental Keyboard (Android) with Midi Keyboard Support - YouTube
Developing MIDI applications on Android -
Amazon.com: MIDI to USB/USB C Interface MIDI Cable Adapter with Input & Output Connecting with Keyboard/Piano/Synthesizer for Editing & Recording with Windows, Android, Mac OS, Android, Most Type-c Devices : Musical Instruments
Native MIDI API | Android Developers
OSC MIDI Control Surface for Android - Cockos Incorporated Forums
Android users get an expressive, powerful MIDI control app in DAW IT - CDM Create Digital Music