Doesn't everyone have an old phone at this point? Is the app going to check if activity implies it is their current phone? It seems easy and less intrusive for

Doesn't everyone have an old phone at this point? Is the app going to check if activity implies it is their current phone? It seems easy and less intrusive for the majority(?) who wont get anything in return for installing a sketchy app to just give tickets out randomly toward the end of a game and anyone who is there at the end more often has a better chance of getting one.