>>290728903
It adds a button to your menu that tells your browser to open the store page of whatever exhibit you're currently standing at. There's also sample avatars in the exhibits you can try out, as well as signs and QR codes and other ways of finding the creators.

Yes, you have to use the SDK to upload an avatar you have purchased, but the creator can package up the finished product with unity so as long as the customer hits the minimum 80 IQ it takes to get unity open, the sdk installed and the avatar uploaded it should be fine.