MELBOURNE, AUSTRALIA - JULY 13:  Tristan plays the Pokemon Go game on his phone in front of Flinders Stret Station on July 13, 2016 in Melbourne, Australia. The augmented reality app requires players to look for Pokemon in their immediate surroundings with the use of GPS and internet services turning the whole world into a Pokemon region map. The hugely popular app has seen Nintendo shares soar following its limited release in the US, Australia and New Zealand on July 6.  (Photo by Robert Cianflone/Getty Images)