LONDON, ENGLAND - JULY 15: A Spearow, a Pokemon character appears in a London street during a game of Pokemon Go, a mobile game that has become a global phenomenon, on July 15, 2016 in London, England. The app lets players roam using their phone's GPS location data and catch Pokemon to train and battle.The game has added millions to the value of Nintendo, which part-owns the franchise. (Photo by Olivia Harris/Getty Images)
