Quick, easy-to-play games have always been popular on iOS, but the success of Flappy Bird and others seems to have further emphasized the “quick.” Pako - Car Chase Simulator ($2) by Tree Men Games certainly has more detail and thought than most of those titles, but we’re still talking about a game in which each round lasts not minutes, but seconds. It’s on sale for $1 for a limited time. Pako is a basic-looking game that will…