The hottest game in the market today is Pokmon Go, developed by Niantic. The game forces you to go outside and interact with the real world (in a safe manner) Only 3 days after the release, reports of hacks started to roll in. Attackers built a special library that injected itself into the Pokmon Go app that manipulated the GPS data that the app tracked. This allowed the hacker (now cheater) to appear to be in places that they never were, and walk to areas they had never been.”]
Source: https://www.bankinfosecurity.com/blogs/how-to-win-pokmon-go-by-cheating-p-2211