Virtual Joysticks by Purewantfun | GameMaker: Marketplace
Android Bluetooth joystick - Networking, Protocols, and Devices - Arduino Forum
Removing Android Virtual Thumbsticks? - Mobile - Epic Developer Community Forums
Creating a Virtual Joystick for Touch Devices
GitHub - kotC9/VirtualJoystickAndroid: This library provides a very simple and ready-to-use custom view which emulates a joystick for Xamarin Android. Virtual joystick
MAXJoypad
Merged) Android: Virtual joystick as movement control - Minetest Forums
How to create mobile joystick in Unity 2018 🎮 - YouTube
A Simple Android UI Joystick : 9 Steps - Instructables
Beginner's Guide: Learn to Make Simple Virtual Joystick in Unity