Amazon.com: Universal Bluetooth Mobile Phone Game Controller - Compatible with Android and iPhone Apple Arcade MFi Games - Gamepad Joystick Control for Steam, MacOS, Windows, PS3, PS4, Switch, Non-Bluetooth PC, and TV
Steam Community :: Guide :: Steam Deck Controller Guide - A Visual Introduction
Steam De-C64-k – VICE on the Steam Deck – brokkr.net
Gamepad
Look at the new virtual-gamepad in the Steam Link App BETA : r/SteamController
Steam Community :: Guide :: Keyboard support
Steam Deck News: Virtual Menu Overhaul, Steam Charts and Media Updates - YouTube
Valve V000937-00 Steam Controller - Black for sale online | eBay
The Steam Deck's button mapper is the best feature you're not using | PCWorld
Valve Steam Controller Review | PCMag
Playing Your Epic Games On Steam Deck Just Got Much Easier
Gamepad driver and app 'SC Controller' gets Steam Deck support | GamingOnLinux
Dell's Working On a Controller for PC Gaming in the Living Room
How to use Steam controller with emulators: create a Project 64 Steam controller config and Dolphin Steam controller layout
Steam Controller on Steam
How to Use External Controllers on Steam Deck - The Tech Edvocate
Valve launches Steam Link app for streaming games to your smartphone | VentureBeat
Setup Gamepad – Parsec
Two-In-One: How to Turn Your Game Controller Into a Computer Mouse | PCMag