I am a former Mac OS user who migrated to windows to use Iclone.
Say what you may about Apple's "closed garden"
however it does make it easier to enforce uniform Standards,
In this case that standard is not just the true depth camera but the ARK kit
development software that All of the major 3DCC's have embraced for making thier face capture plugins.
There is even one for Daz studio/Genesis 8
If there is not a single standard SDK that supports all ( or Most) high end
Android Phones then few people will risk the investment of trying to
pick a winner in a crowded market