PS4 - Feature request: button mapping | Kunos Simulazioni - Official Forum
How to Remap Buttons on Your PlayStation 4's Controller
Sony launches PS4 Back Button Attachment to "elevate your game" | Trusted Reviews
Sony's PlayStation 4 made gaming better for millions of people with one simple menu - Polygon
How to remap PS4 Controller Buttons and Thumbsticks – Evil Controllers
How to Customize PS4 Controls
PS4: DUALSHOCK 4 back button attachment support (US)
Back Paddles Attachment for DualShock Ps4 Controller, Programmable Buttons with Headphone Jack : Amazon.co.uk: PC & Video Games
How to map controls for any controller. - Unity Answers
This bizarre button mapping on the PS4 actually helped me get 10k Kills with the Panzer! But works ONLY for the Lefty button layout + flip enabled users (if there are any!?) :
Avengers Game: Controls Guide (PS4, Xbox One, PC)
You Can Now Remap Any Xbox One Controller's Button Configuration - GameSpot
How to remap PS4 Controller Buttons and Thumbsticks – Evil Controllers