EasyHead Tracker translates your real world head movement into games, using only your phone's camera. Similar to TrackIR, EasyHead tracks the rotation and position of your head in real-time, allowing you to look around the cockpit or outside of your car windows in games.

Features:
• 6DoF head tracking in real-time (rotation and position)
• Supports any game supported by OpenTrack (e.g. games that use TrackIR or FreeTrack)

Supported games list:
• Assetto Corsa
• Assetto Corsa Competizione
• Project Cars 2
• F1 2020
• Dirt Rally 2.0
• Euro Truck Simulator 2

• Microsoft Flight Simulator 2020
• Microsoft FSX
• X-Plane 11
• Prepar3D
• DCS: World
• IL2: Sturmovik
• Kerbal Space Program
• Elite: Dangerous
• Arma 3

• many more games (an incomplete list can be found in this Wikipedia article

Requirements:
• Phone supports ARCore
• OpenTrack software running on PC

Setup is truly Easy, download and install the free OpenTrack software from https://github.com/opentrack/opentrack/releases, connect your PC and phone to the same network and enter your PC IP address in the application.

If you are having problems connecting to your PC, you likely need to add the OpenTrack program to the exceptions list in your firewall.