Org 2021 is an Android music application that essentially puts a keyboard in your pocket (or purse, or backpack, or wherever you keep your Android devices!). Includes 1000+ different instruments and a huge selection of rhythms, effects, etc. You can even connect it to a real keyboard.
The app's interface looks like an electronic keyboard with sliders for volume control, a variety of DNC intstruments, drum kits, pads, chords, skins, filters, the ability to combine two music files, etc. Compatible input devices include mic and USB midi.
How to use:
When you open the app you'll see what looks like a regular electronic keyboard with all the various control settings to play with. For more information on how it works see their guide.
Easy-to-use touchscreen interface.
For users who want to turn their Android device into a fully functional electronic keyboard.