These are the Xbox Project xCloud launch controllers - SlashGear
How to Connect Your PS4 Controller to Your Android Device for Easier Gameplay « Android :: Gadget Hacks
Connect and troubleshoot Bluetooth on your Xbox Wireless Controller | Xbox Support
How to use an Xbox One controller on an Android device - Business Insider
Microsoft xCloud launch: How to to play Xbox games from your phone - The Verge
What to Do When Your Xbox One Controller Won't Connect
How to connect a PS4 or Xbox One controller to an iPhone and iPad with iOS 13 | GamesRadar+
Emulate any Gamepad as an Xbox 360/One Controller — Tutorial | by ElamParithi Arul | helloParithi
PUBG Mobile controller support: All the best options - Android Authority
Use Your PS3 Controller On Your Android Phone Using This App | TechCrunch
Mobile Controller for PUBG/COD, Megadream Mobile Gamepad Wireless Game Controller Joystick for Android Phone & Tablet, Key Mapping, Shooting Fighting Racing Game - No Simulater Needed: Amazon.co.uk: PC & Video Games
The Best Bluetooth Controllers for Your iPhone and iPad – Review Geek
How to use a Nintendo Switch Pro Controller with an Android phone | Android Central
How to Choose the Right Game Controller for Your PC | PCMag