Unity is one of the most widely used game engines among handheld game developers worldwide. It was founded relatively early and has been targeting real-time 3D interactive content creation and operation since 2004, providing the foundation for building various AR and VR interactive experience contents later. In addition to Apple's iOS, developers can also develop efficiently and easily across platforms on top of Unity, which can be created and deployed to more than 20 platforms at once, including Windows, Mac, iOS, Android, PlayStation $Sony (SONY)$ , Xbox $Microsoft (MSFT)$ , $Nintendo (NTDOY)$ Switch, and leading AR augmented and VR virtual reality platforms.