Retrieve the hardware type of the current device. NOTE: HardwareType is determined by the user agent string and may not be accurate.
Retrieve the current operating system. NOTE: OsType is determined by the user agent string and may not be accurate.
Retrieve the current VR device. If the hardware is not Headset, this will be null. NOTE: VrDeviceType is determined by the user agent string and may not be accurate.
Define DeviceService interface.