Been a while since I fucked around with trying to make a "quest version" of a PC avatar. 
How the fuck did that work again? is all I have to do is..

switch project to android build
remove all dynamic bones and set all fancy shaders to basic shaders
use the SAME avatar ID as the PC version of the avatar
upload it as android build

and...that's it? it will automatically show the quest version to quest users and leave my PC version normal for PC users? or is there other steps I missed