Currently, global menu and quit menu could be called by using IGearVRPlugin::StartOVRGlobalMenu() and IGearVRPlugin::StartOVRQuitMenu(). You need to get GearVR plugin module and cast it IGearVRPlugin to make these calls.
Hey, thanks for the response but this would be for the Oculus Rift cv1 not GearVR...sorry should have mentioned that. Any idea how to get the menus for cv1 and are they accessible from blueprints?