DESCRIPTION

AOSP-extended – from Russian 4PDA Forum

Multilanguage

- move the downloaded AOSP zip, gapps and (if needed) SuperSu to the root of internal memory of your smartphone

install via TWRP :

- wipe -> Advanced wipe
-DalvikART Cache
-System
-cache
-Data 

- install AOSP

- wipe

- reboot

- install gapps via twrp, if needed (choose arm64 -> 7.1. -> and choose type (e.g. "pico" for basic gapps functionalities)

- install root via twrp (if needed)

- enjoy!

I HAVE NOT tested it yet, so I can't help :-/

※Please make a backup of your device before installing or updating ROM