Audioid is an advanced mobile electronic music rhythm composer for Android, combining the mythical TR-808 and TR-909 drum machines with two TB-303 Bass Lines coupled to real-time filters, effects, randomness and a live approach.
More information, detailed features and manual on audioid.android.quet.org.
You can get Audioid on Google Play, there is a free and a paid version available. The free version has only two limitations compared to the full version, it displays ads and you cannot save or load your presets.
Live demo showing the distortion effect applied against one bassline: www.youtube.com/watch?v=YgqeJbHOwK8