Shopping for someone whose favorite way to unwind is a screen has a reputation for being difficult, and it shouldn't. You don't need to understand a single thing about the games themselves. The trick is to skip the software entirely and buy for the evening around it: the couch, the snacks, the dying phone battery, the neck craned at a bad angle for two hours. Those problems are universal, they're cheap to solve, and solving them is exactly what a great gift does. Here are four ideas that work for birthdays, holidays, or the friend who's impossible to buy for,...