I remember a friend of mine talking about a horror game working on the same principle as Pokémon Go, three or four years ago. Unfortunately, he's not technical

I remember a friend of mine talking about a horror game working on the same principle as Pokémon Go, three or four years ago. Unfortunately, he's not technical and lacks resources, so it never went anywhere. But the idea is perfectly sound. Focusing on VR displays completely missed the point in the industry. It can be done with just GPS and a camera phone. VR displays actually get in the way, by making it hard to perceive your non-VR surroundings.