Kriminal has released an Expansion Pack for the Beatbox in Caustic2 for Android by Single Cell Software.
The Expansion Pack includes 11 drumkits, wav files and preset files (.beatbox) and an installation guide. Kits include Acoustic, Chakra, Degraded, Ethnic, Glitch, Jazz, Killer, Psy, Stretched, Techno and Urban.
The expansion pack is available for £1.99. There are also free packs at the Single Cell Software forum.