The users of Asus Google Nexus 7 are currently powered by Android 4.2.2 Jelly Bean and while many would stick with the official updates, there are loads who who go for Custom ROMs. One such custom build is the CyanogenMod 10.1 (CM10.1). They have released the 5th candidate and of course there is a long way for them to go to perfect this built. You can now install the CM10.1 RC5 on Google Nexus 7 based on Jelly Bean 4.2.2 Firmware following this tutorial. Please know that this tutorial will only work for the Google Nexus 7 and do not try this on any other device.