Raspberry Pi : http://www.raspberrypi.org/ MK802 : http://www.rikomagic.co.uk/ Cubieboard : http://cubieboard.org/ BeagleBoard : http://beagleboard.org/ FRDM-KL25Z : http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=FRDM-KL25Z Raspberry Pi Model-B MK802 II Cubieboard Developer Raspberry Pi Foundation Rikomagic CubieTech Operating system Linux Android 4.0Linux from a bootable SD Card Android