You can install version history vst. The Bettan application market supports the download of version history. First, search the Betan application market in Baidu, then download it to a USB flash drive and install it directly on the box. Then you can install it directly. All of the above are TV applications. You can download it directly. You can watch a lot of applications for free, not just TV applications. Network optimization. One-click speed measurement, acceleration and cleaning make the TV no longer stuck. The TV application manager manages TV applications better. It's not just watching TV. Just try it.