News Olympic champion gymnast Kohei Uchimura may be a record six-time world-beater for Japan, but his efforts chasing Pokémon Go at Rio 2016 have been far less glorious   Since landing in São Paulo for training camp ahead of the Olympic Games, he was hit with a 500,000 yen (US$4,900) data roaming bill after getting hooked on the augmented reality game "Pokémon Go turned into Pokémon dough," as Japanese newspaper Kyodo put the scoop that has since gone around the world The reigning Olympic and world champion - known at home as Superman - confided he downloaded the app when he landed in Brazil and was immedately captivated with the global gaming sensation Unfortunately for Uchimura, 27, he did not have a flat rate for overseas data usage When Uchimura checked his bill, he couldn't believe his eyes, reported Kyodo "500,000 yen ," he apparently sighed Incredibly, his Japanese service provider agreed to reduce the bill to a flat-rate of 3,000 yen (US$30) a day, according to Kyodo Uchimura may not have the same costly distractions once he settles in to the Olympic Village since numerous athletes report their adored game is 'Pokémon No' because it has not launched across all of Brazil, reported The Guardian Nikkan Sports newspaper predicted "Uchimura may not get any Pokémon, but he will surely get gold " Uchimura became the first gymnast to win every major all-around title in a single Olympic cycle, including at the world championships in 2009, 2010 and 2011, and at the 2012 Olympic Games in London Pokémon Go is an augmented reality game where players use a smartphone's GPS to find, capture, battle, and then train virtual creatures, called Pokémon These creatures appear on the screen as if they were in the same real-world location as the player The game is free to play but users are encouraged to make in-app purchases for additional in-game items Olympic tickets are available on the Rio 2016 portal