I live less than a mile from a Walgreens, and they accept it. I go there pretty regularly too. That's the only place I've noticed so far that accepts mobile payments, and that will probably be the only place I'll use it.
100000% Going to be using it, I may even set my God Forsaken Wallet that I have lost at least 3 times in the last 10 years on fire after my first transaction. Theres nothing more that i waited for then this and the next thing i look forward to is not having to deal with cashiers at grocery stores, department stores etc. We have the technology to replace them and not even have to take anything out of your cart, just walk through scanner and your down.
I'll use it a bunch, if stores accept it. We just need more places other than McDonalds, Walmart, and Starbucks — places I am seldom at, if ever. I agree that a list of supporting franchises would be great.