Qualcomm XR Innovation Application Challenge, the second, will hold its fourth online course on March 27th. The course, hosted by the technical director of iQIYI, Xu Ke, is titled "Guidelines for Application Development of Qiyu 2 Pro." Xu Ke will introduce the use of Qiyu 2 Pro's SDK and how to combine it with machines to create more powerful and immersive apps. The course is open for registration at https://edu.csdn.net/huiyiCourse/detail/1188. Qiyu 2 Pro is a 6dof VR platform that focuses on gaming and videos. This course aims to attract more developers to contribute to the VR application ecosystem by introducing the SDK and techniques for optimizing performance and user experience. The course is suitable for VR application developers. The schedule of the course is as follows: 19:45-20:00, student entry; 20:00-20:45, lecture; 20:45-21:00, Q&A session.