Smart TV is a fully open platform equipped with an operating system, allowing users to install and uninstall various types of application software while enjoying normal TV content, and continues to expand and upgrade the functionality of new TV products. For smart TVs that cost thousands of dollars to buy, here are three functions you should know and know:
1. Install third-party TV applications
The biggest difference between smart TVs and traditional TVs is that they can connect to the Internet to download and install third-party applications. A USB flash drive can be implemented in just a few steps. If your home is a smart TV, in the state of networking, you can enjoy more abundant audio-visual resources without using cable TV. This feature currently has more than 90% of smart TV users do not know or have not yet used, and this is the basic function of smart TV. 
Now the third-party software for smart TVs is growing explosively. There are live on-demand games, games and entertainment, life tools, etc. These are just the same as the smart phone download software installation package, click on the installation.
At present, there are relatively large downloads of cloud audio and video Taijie (video category), Tencent Game Center, Taobao TV version of the client. The specific installation steps are searched in the Baidu search engine and searched for "How does a smart TV install a third-party application?".
2. Multi-screen interaction, sharing video resources across screens
The multi-screen interactive function of the smart TV is that the television can be connected with computers, smart phones and other devices to realize the intelligent multi-screen terminal and the mobile phone remotely operates the television, and the mobile audio and video programs can be played on the television. As long as the finger gently slides, the content of the big TV can be automatically transmitted to the personal TV for viewing. The contents of the personal TV can also be easily transmitted to the big screen for sharing. At the same time, the personal TV can also serve as a remote control for a large TV. The realization of multi-screen interaction really made watching television break through the limitations of time and space. 
The multi-screen interaction is applied on the TV, which can solve the problems in the operation of the smart TV to a certain extent, and can also share with the family the video resources and the fun game functions.
3 rich interface, multi-device interconnection
Today's smart TVs come standard with HDMI, VGA, AV and many other interfaces. If you like to play games, then you definitely like the visual impact of the big screen. It is connected directly to the smart TV through an HDMI HD cable, and the smart TV directly. As a game monitor, the game experience brought by the 50-inch ultra-large monitor is still quite cool. 
Smart TVs rely on a wealth of interfaces to connect with audio and other home audio and video equipment to build a small home theater, which is now fully realized in the smart TV ring.
There is still much room for development in smart TVs. With the increasing popularity of the Internet, smart TVs will play a more important role in home entertainment.
Xiaobian Comments: The three major differences between smart TV and non-smart TV
Smart TV is a new product based on the impact of the Internet. Its purpose is to provide users with a more convenient experience. It has become the trend of home TV. Different from the traditional digital LCD TVs, smart TVs that can be networked can bring more and more rich home entertainment experiences. So does the smart TV that we spend to make the best use of it?