Hi! The camera is not handled by the plugin, that simply relies on whatever your application is using. You can control the camera with the ordinary Unreal Engine APIs, in particular I think you can achieve what you desire simply disabling the LockToHMD
property on your Player Pawn camera component:
You can also change the property also at runtime with something similar to the following (the setup in the example is for a Cardboard VR project, but the idea is the same):