On browser, you can specify which application and/or windows you want to use
and then broadcast only those.
However, if you share in full screen, all the details on that screen will be broadcasted.
[Firefox]
Firefox only lets you share specific windows and not applications.
If you want to broadcast a specific application, we ask that you please use Google Chrome.
[Google Chrome]
You can choose not to broadcast portions of a window depending on the illustration software you're using.
If you want to share the entire window, including the tool bars, we ask that you share the entirety of your screen instead.
If you would like to screen share on the app, please visit the following:
I want to stream the screen of my phone.