For nearly two decades, Nintendo was the King of mobile gaming. The Game Boy, then the Game Boy Advance, then the Nintendo DS, then the 3DS. But after the launch of the iPhone, smartphones started to take over as the dominant gaming platform. They weren’t best for gaming, but they were way more convenient. Traditional game companies have been making games for smartphones for years, but for the longest time, Nintendo resisted. They thought that smartphone gaming would eat into the profits of