SPMC is an unofficial fork of XBMC targeting Android devices and combines XBMC with a number of extra features such as adding DD/DTS passthrough for Ouya devices, register itself as a launcher as well as a number of Rockchip-specific improvements.
Feedback has been positive so far, with a number of commenters on Freaktab claiming that it has allowed them to play media without stuttering on an MK808B.
You can get more information on SPMC and to download the APK, visit the following link: http://spmc.semperpax.com/
Photo Credit: XBMC Logo from xbmc.org/Resized from Original