Make sure iPhone and PC are connected to same WiFi network to enable wireless connection.
After installing all required software connect iPhone to PC via USB-cable. Make sure you can see iPhone on iTunes to ensure connection is working.
Move your head around and rotate it to ensure tracking is maintained while moving.
Last setup step is to configure tracking using free OpenTrack Windows application.
After launching OpenTrack from 'Input'-dropdown menu choose 'UDP over network'. Click hammer-icon next to menu and ensure 'Port' is set to 4242.
For 'Output' choose protocol that your game supports. If you are uncertain try 'freetrack 2.0 enhanced'.
Click 'Start'-button. Now octopus on OpenTrack-window should move and rotate according to your head movement. Fot more details how to set up OpenTrack please see OpenTrack wiki.
You are now ready to launch your favourite game supporting head tracking. From in-game controller settings enable head-tracking.
Having trouble setting up the app? Got some comments or feedback? You can reach us via e-mail.