n-Track Software has released version 1.1 of its n-Track Studio for Android, adding support for USB audio devices and MIDI with the built-in Piano Roll and General MIDI synth.
n-Track Studio for Android features
- Record with the built-in mic or any class-compliant USB audio device (available on select Android & USB devices).
- Record 4 or more simultaneous inputs and send to multichannel output.
- Low latency audio (bypassing the standard Android audio when using USB audio).
- Record MIDI tracks using the built-in screen keyboard or an external USB MIDI keyboard.
n-Track Studio for Android is available for purchase for $6.99 USD (Standard) / $19.99 USD (Pro).
More information: n-Track Software