On latest firmware BMEA don't work everything because they change sometnig in SystemUI and some jar file. But with older stock rom work great.
One thing to full support from phone is to change name of device in Build.prop file in older roms before...
I have problem... my camera dissappear from device...
I just update 3.01, all gone and I can't record 4k anymore
My friend mom4ence edit systemUI.apk for me from latest BMGA ROM. Here is link
http://db.tt/NC97bRBs for transparent BMGA rom, they work and for other.
No white header, no problem ;) flash from recovery or just put in system with proper permisi...