VR Mini Remote Controller Gamepad Bluetooth Control VR Vide, Wireless Remote Game, Selfie, Flip E-Book/PPT/Nook Page, Mouse, in Virtual Reality Headset for iOS Android System and PC Smartphone Tablet - Walmart.com
Play with your smartphone using the virtual gamepad | Recalbox Wiki
Using virtual gamepad on android snaps out of emulator. | Next Generation Emulation
Mobile Virtual Controller - Apps on Google Play
Creating a Virtual Joystick for Touch Devices
Look at the new virtual-gamepad in the Steam Link App BETA : r/SteamController
PSPad: Mobile Gamepad – Apps on Google Play
Virtual Joystick for Godot 3 - Godot Asset Library