When you pause the movie with the YouTube application on your smartphone, the Chromecast button will be displayed at the top right of the screen, so tap it. A list of devices to which you can send ...
To mirror your Android's screen, you'll need a Chromecast, a compatible TV, or a third-party app like Tenorshare Phone Mirror.
You can cast Google Chrome to your TV through the "Cast..." menu, which is available on PC, Mac, or Chromebook computers, and Android phones.