The description says that it is for novelty purposes, but the reviews show people believe it works and it has a placebo effect. Most reviews say things like "I drove past a police station and it went off! 5/5".
It's funny to see it up in the top 20 of the Transportation category on Play, alongside companies that are heavily VC funded. https://play.google.com/store/apps/category/TRANSPORTATION/c...
You really should add something like "WARNING: this is just a simulator, it doesn't work in real world at all".
And common sense really.
Worst case this probably encourages people to slow down when driving and doesn't actually help them avoid tickets, but you're still being quite dishonest.
So people believing it works are not stupid, they can legitimately believe you're pulling that from a common database with an app that lets user signal radar or police cars.