The Metaverse and its applications have continued to be in the spotlight among the tech industry worldwide, where tech giants are racing to invest in software–hardware development and explore more possibilities. Currently, virtual and real-world integration has been the major approach to creating the metaverse world, where users can—through different human–machine interfaces—connect the reality to a virtual world to explore various applications. AR and VR wearables have been crucial equipment for their metaverse plans among most companies, but the existing t...