mikrosonic RD4 Groovebox for Android

Get the free demo version on Google Play: Turn your phone or tablet into a musical instrument! RD4 - Groovebox is a music making app with virtual analog synthesizers, drum machines and effects. Compose and arrange your music in real-time. Choose instruments individually for the 4 channels. Record live or set notes with the dedicated sequencer or piano roll of each instrument. This multi-touch enabled app makes it sim