They would have to buy thru Google since it's a Google spin out. However, Google SDK isn't present in the app now. Unity SDK is in for the game engine and it's

They would have to buy thru Google since it's a Google spin out. However, Google SDK isn't present in the app now. Unity SDK is in for the game engine and it's the same SDK that can serve ads. https://medium.com/@kevinleong789/what-sdks-does-pokemon-go-use-c85217b48323#.7uwi0qasl https://medium.com/@kevinleong789/what-sdks-does-pokemon-go-...