First guys, this is NOT official roms, if you want to try the 1080P on your MK808/MK808B with Android 4.2.2 OS, then you can follow this instructions:
How to do that?
For MK808 users, you should get this Android 4.2.2 Beta Custom rom installed in your MK808
For MK808B users, you should install the following android 4.2.2 beta custom rom here
And after you flash the above custom rom,you will find your MK808/MK808B are in Android 4.2.2 OS but with 720P output. Then you should flash the following 1080P KERNEL to get the real 1080P output in your Android 4.2.2 MK808/MK808B.
MK808 Android 4.2 1080P Kernel Download link
MK808B Android 4.2 1080P Kernel Download link
In the above download kernel file, there is fully read me instruction to teach how to just flash the kernel, you should follow them, and after you successfully flashed the 1080p kernel, then you will find you can get 1080p output on your Android 4.2.2 Firmware.
We had successfully tested the firmware, it is working great, here is some screenshot
Why only 1032? don’t forget the status bar, the screen test app don’t caculate that!