What is the point of the big black button on the PlayStation 4 controllers? - Quora
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Image] Quick Pro and Con of PS4 back button attachment. It makes the DS4 feel weighty and premium. Easiest Mapping. I wish the buttons were slimmer because I had to adjust my
DualShock 4 Back Button Attachment review - Polygon
Why is the default confirmation button on some Playstation 4 games X when the default confirmation button on the PS4 is Circle? - Quora
Steam labeling my PS4 controller with ABXY buttons? : r/SteamController
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The PlayStation 4 controller: A close look at the touchpad, light bar, design, and everything else (part 4, exclusive) | VentureBeat
PlayStation 4 Controller Buttons - A Beginner's Guide - Gamercreatrix