Easy WiFi Controller- Turn your mobile phone into a controller! - Unity Forum
Mobile Joystick 2D Top-Down Game - Easy Unity Tutorial - YouTube
Wired Gaming Controller, Joystick Gamepad with Dual-Vibration PC Game Controller Compatible with PS3, Switch, Windows 10/8/7 PC, Laptop, TV Box, Android Mobile Phones, 6.5 ft USB Cable : Amazon.com.au: Video Games