A YouTube alert interrupted Jack Erricker’s schoolwork on Friday morning as he and children all over the world woke up to the news that their favourite game, Fortnite, had been taken down from Apple’s app store and Google Play store.“It’s basically the only game I play,” said Jack, an 11-year-old in Bangalore, India, who loves playing Fortnite on his Apple iPad. “I’m not happy, I don’t think it’s a good move.”Fortnite, which has attracted more than 350 million players globally, is especially…