The steps may vary depending on your phone or TV, but it's otherwise easy to send videos or apps to your bigger screen.

OBS, the streaming software, sees that mirrored screen on your computer and uses it as a source for your stream, like a camera. So, people watching your stream, see what's happening on your phone!

At the bottom of the screen you'll see a button labeled Cast my screen -- tap it. Then, tap Cast screen on the prompt that appears to begin casting whatever is on your phone or tablet onto your TV.