Look at the new virtual-gamepad in the Steam Link App BETA : r/SteamController
Mobile Virtual Controller - Apps on Google Play
virtual-gamepad · GitHub Topics · GitHub
PSPad: Mobile Gamepad – Apps on Google Play
Amazon.com: VR Remote Controller Gamepad Bluetooth Control VR Video, Game, Selfie, Flip E-Book/PPT/Nook Page, Mouse, in Virtual Reality Headset PC Tablet Laptop iPhone Smart Phone : Video Games
Setup Gamepad – Parsec
Splashtop's Configurable Shortcuts & Gamepad feature lets tablet users create virtual controls and more | Engadget
Apple Makes New On-Screen Game Controller Available to Developers on iOS 15 and iPadOS 15 - MacRumors
How to Use Android Phone as a Free Windows Xbox Controller to Play Games - DroidJoy Tutorial - YouTube
Play with your smartphone using the virtual gamepad | Recalbox Wiki
BT Controller: Use Your Android As A Bluetooth Gamepad For Another
Virtual Controller · reWASD help guide
Razer Kishi V2 gets new 'Virtual Controller Mode'
Google Stadia on TVs will let you use your phone as the gamepad | Engadget
Mobile Gamepad APK Download for Android Free
Can I use touch to play games when using GeForce NOW on iOS (iPhone) and iPadOS (iPad)? | NVIDIA
Using virtual gamepad on android snaps out of emulator. | Next Generation Emulation
Ultimate Gamepad for Android - Download the APK from Uptodown