Airbnb, Boxed, Caviar, Fandango, Houzz, Instacart, Kayak, Papa John's Pizza, and Postmates are part of the services available. Google Pay is accepted at participating Acme, American Eagle Outfitters, Bloomingdale's, Best Buy, Chevron, McDonald's, Trader Joe's, Walgreens, and Whole Foods stores. It's also accepted by the Las Vegas Monorail system, and the number keeps growing.
These banks allow you to use their accounts for Android Pay; Bank of America, Citi, PNC, TD Bank, and Wells Fargo.