I need assistance asap

I’ve given the free 3 months subscription and I gladly accepted it. So, I’m going and downloaded one of many paid apps. after I opened the app, it will get ship to this. "Get this sport from Play. To make use of Reigns along with your Play Go subscription, obtain it from the Play Retailer"

after I clearly downloaded the app from a literal playstore and I bought it. anybody have any concepts? why is that this taking place?

good friend of mine says attempt to uninstall and set up it once more and it nonetheless does present me that