Apple has delivered a blow to the creators of the popular online game Fortnite by cancelling their developer account for the iPhone operating system in the European Union. The accounts are critical as they allow creators, like Fortnite-maker Epic Games, to distribute their apps to iPhones. Apple’s move means Epic cannot launch its own app marketplace – called the Epic Games Store – or bring Fortnite to iPhone users. “We recently announced that Apple approved our Epic Games Sweden AB developer account,” Epic Games explained in a blog post. “We intended to use that account to bring the Epic Game…