VR Toolkit虚拟现实工具包
是统一管理各种VR设备SDK，提供一种方式开发VR程序的框架。
其中还包含了许多VR常用功能，如：控制器激光（贝塞尔）指针、虚拟空间运动、UI、虚拟物体交互等。(VR Toolkit virtual reality Toolkit
It is a unified management of various VR devices SDK, providing a way to develop VR program framework.
It also contains many common functions of VR, such as controller laser (Bessel) pointer, virtual space motion, UI, virtual object interaction and so on.)