Apple doesn't make games, but it's making billions in profit from video gaming. It's earning that money by taking a cut from the sales of other game makers. Now challenges to the dominance of Apple's app store and changes to regulations in one of its biggest markets could threaten those earnings. WSJ reporter Tim Higgins joins host Zoe Thomas to discuss how Apple has leveled up in the gaming world. Learn more about your ad choices. Visit megaphone.fm/adchoices