>>273764448
The Rift S and the Quest are siblings really but the Quest has it's own store of android-based software, some of which is exclusive to the Quest. All the "real" things are on the main Rift S store though.

I can in all honesty, as a Quest owner, tell you that you shouldn't be sad about Quest exclusives, you're not missing anything at all. They're like 1% of the library and none are good.