Step sequencer
Batuk app is a 16 step sequencer for Android with 8 tracks/pads and up to 8 bars, velocity and transpose (-6 to +6 semitones) for EACH step , bpm range from 40 to 300, with groove control(-70% to 70%) and a randomizer that creates random patterns for each track or all tracks together based on an intensity slider which adds more or less steps, has three effects for each track, distortion, delay and reverb to spice things up, on the master channel there's XY filter with resonance plus a compressor to glue everything together, built in sounds to get you started really quick, import your own samples, save and load programs(everything), patterns and kits of 8 sounds and export(wav only at the moment).