Open Main camera settings and set resolution to 6MP
Turn off flash
Close Camera App
Open file explorer and enter /system/app
Locate SamsungCamera2.apk AND rename it to SamsungCamera.apk.bak
Copy SamsungCamera3.apk to /system/app AND Set permissions
Reboot device
Launch new Camera, SUCCESS!
WARNING: You can only choose back camera resolution of 6, 8 or 2 MP or the camera will crash and you have to redo the steps above.
THIS APP IS LIMITED IN FUNCTIONALITY, IT CAN ONLY RECORD FRONT FACING CAMERA VIDEO AT THE MOMENT, AND CAN TAKE FRONT/BACK PICTURES NO VIDEO RECORDING IS POSSIBLE. FLASH IS BROKEN.
DO NOT USE THE "VIRTUAL TOUR" MODE
Now someone needs to figure out how to make it record video and use the 13MP resolution.
REALTIME HDR WORKS.
Credits:
Obi xD for ROM and all credits mentioned on that thread.