Unless you were a kid in the 1990s, chances are you don’t know what this “Pokémon Go” craze is all about. But if you grew up with the Japanese cartoon characters, there’s a good chance you are playing the augmented reality game recently released for cellphones. The game itself allows users to live out their childhood fantasies that they would someday be able to catch their own creatures such as Ash Ketchum, one of the main characters in the show.