This one comes with a Rockchip RK2918 CPU which is as a 1.2G ARM Cortex A8 core so it makes it a ARMv7 type of cpu I believe. It also has 512MB Ram. You could try and install from here if you cannot use Android Market. mobile Firefox 8.0 for Android: http://releases.mozilla.org/pub/mozilla.org/mobile/releases/latest/android/multi/fennec-8.0.multi.eabi-arm.apk mbrubeck who works on mobile Firefox has been recommending to try the Firefox 9 Beta's because it includes a new interface designed especially for Android tablets. Current mobile Firefox 9.0 Beta 4 for Android (will need to manually update): ftp://ftp.mozilla.org/pub/mobile/releases/9.0b4/android/multi/fennec-9.0b4.multi.eabi-arm.apk Not sure it if is real at moment but Rockchip may working to port Android 4.0 to work on tablets running on their popular Rockchip RK2918 chips.