You can download Zhi Zhi Ping from Dangbei Market/Huanwei Assistant/Sofa Butler,
or Baidu search Zhi Zhi Ping official website, download the app from their website to a USB flash drive, and then insert the USB flash drive into your TV set to install it.
After successful installation, open the Zhi Zhi Ping, the first time you use it, you need to use WeChat to scan the code
After that, you can upload menus and videos through WeChat, and you can set up split-screen playback, which is very simple.