How Hearthstone’s tech team tackles an online game for PC and mobile

Hearthstone: Heroes of Warcraft has 50 million registered players, making it the biggest hit in which players on PC and mobile are playing each other in the same game (this will eventually come to certain versions of Minecraft, which has 100 million in sales). But how do you make a user interface work for a game where you have people playing it on a powerful PC and a cramped iPhone screen — and against each other?

Jason Chayes is about to show us how.