Google Cardboard is supported in InstantVR Free and Advanced version 3.1 and higher.
The script IVR_Cardboard should be added to the character’s GameObject.
Google Cardboard v1 &v2 are supported in combination with suitable Android phones.
Google Cardboard is supported for Android. iOS may work, but hasn’t been tested.
Unity 5.1.2f1 or higher is required.
Rotational head tracking is supported for all mobile phones compatible with Google Cardboard.