So, dust off that sliding phone, download Turbo KitKat, and go play Crash Bandicoot Warped the way it was meant to be played—with physical buttons, no ads, and a smug sense of technological superiority.

One of the biggest frustrations for Xperia Play users is flashing a new ROM only to find the gamepad buttons no longer respond or are remapped incorrectly.

This long article is your complete guide to Xperia Play custom ROMs—what they are, why you need one, a comprehensive list of the best options, a step-by-step installation guide, and everything else you need to know.