Interestingly, the developers (Vector Unit) recently added an official character related to this theme:

A hacker changes the receipt string to simulate a purchase of 10,000 gems. If the server doesn't validate the receipt with Google/Apple, you just injected free currency.

If your version of BB Racing allows Air-Fuel Ratio tuning:

He donned his VR headset. The world of Shark Harbor materialized, but it was wrong. The sky was a bruised purple, and the Easter eggs that usually signaled secrets were now replaced by floating, unreadable hex codes.