The music in RGBbot is in a variation of the old MOD format. You can listen to some of the songs on Soundcloud.
(44 songs in 1.2MB)
Also, see the Soundtracks page for an apk using libmodplug to play the full soundtracks from RGBbot and Voyage to Farland!
All songs copyright 2013 Peculiar-Games and P.A. Casey (crow).
Graphics in the icon above are modifications based on work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.