1. http://smartarhome.com/
2. Augmented reality. https://www.apple.com/augmented-reality/
3. Game voice control [offline speech recognition]: Audio: Unity asset store. https://assetstore.unity.com/packages/tools/audio/game-voice-control-offline-speech-recognition-178047#description
4. Avidigitaly: Xr-os: Ar & iot app - control lights and smart home iot devices like a jedi! July 2019. https://www.youtube.com/watch?v=PyhvXZcC4cA
5. Cavallo, M., Forbes, A.G.: Cave-AR: a VR authoring system to interactively design, simulate, and debug multi-user AR experiences. In: 2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR), pp. 872–873 (2019). https://doi.org/10.1109/VR.2019.8798148