It is convenient to watch videos on a smartphone or tablet. However, if you have an LG Smart TV, you can watch those videos on a larger screen instead of a small smartphone screen.
[LG WebOS TV] How to Share Your Screen with Your LG Smart TV – WEBOS 6.0
One way to view your smartphone on an LG TV is with Screen Mirroring. Almost all Android phones have this capability.
LG calls its TV screen mirroring feature Screen Sharing, but the feature may also be referred to as the following on different makes and models of smartphones:
Here's how to use LG's Screen Share with Android phones: