Travel between the real world and the virtual world of Pokémon with Pokémon GO for iPhone and Android devices.
Travel between the real world and the virtual world of greenYgrey with ebooks for iPhone and Android devices.
Similar ideas, different augmented reality worlds. The first sentence above is the first on the Pokémon GO site, and the second is my greenYgrey adaptation.
There are even greenYgrey characters in the Pokémon world:
I must admit that Pokémon GO seems more exciting than reading a book, but once you’re tired of chasing around after pokémon creatures maybe you’d like to continue travelling the google maps world with greenYgrey’s adventures in North America, Australia and Europe.