It comes with many drum sets which is good and there is expansions to get or create your own also have integrated flow with Caustic 3.
So if looking for a new beat/loop groove box and /or a Caustic user...
This is a good addition!
+ Adjustable U/I scaling (Settings)
+ Portrait or Tablet layouts
+ In App Help UI with documentation tips
+ 16 Drum pads, 12 Synth pads
+ Dual pad layout for Drum and Synth pads on one screen (remixing/recording live)
+ 63 Scene containers for programed Pad loops w/ 1 2 4 8 measures
+ Song sequencer with 16 playable/exportable sections.
+ Sampler and Chord Arpeggiator, diatonic chord interval arpeggios
+ Keyboard layouts for synth or sampler, 64, 36, 16 pad variations
+ Custom Scale and Key globally or per Scene
+ Record real-time remixes from pad looping and Scene changes as wav, ogg, midi
+ Record overdub for note entry (touch latency varies per device)
+ Metronome timing
+ Full Mixer and Effect for all Drum/Synth pads
+ Drum pad choke groups (4 groups per 8 pads)
+ Audition Browser to load/hot-swap new Drum/Synth kit sounds
+ Expandable Sound Library with Sound expansion packs available on Google Play.
+ Factory Sound Kits (808, 909, Metatronics, various others)
+ Create New Project
+ Load Recent/Project
+ Save Project As...
+ Export .pcmsynth preset with MIDI for the Caustic App
+ Export (each Scene/Section as a separate) .wav, .ogg, .mid to your favorite DAW or midi editor
+ Export Song MIDI as one file containing individual channels for each pad
+ Export Scenes as wav loops zip archived
+ Custom Scene color/name
+ Pad loop trigger for remixing live.
+ 63 unique pattern scenes with 1, 2, 4 and 8 measures
+ Pattern 1/16 & 1/8 Swing
+ Drag n Drop Pad or Scene to Move or Duplicate note data.
+ Clear all Scene data, per pad bank note data or per pad note data
+ Duplicate note data when expanding measure length
+ Arpeggiator note generation with Samplers and Synths (allows for happy accidents)
Plus a lot more... Check out the videos and help documentation