My mom lives in a building with many apartments. I set up her smart tv and named it so it is relatively easy to find. However, there are dozens of other smart tvs, and other devices that also show up. Can I set it up so that when she selects mirroring only her devices (MacBook and tv) show up?
Mirroring or Streaming can happen only to the device to which you have entered the code generated from the Smart TV.
On the TV or the display that you are streaming to.
Please see the pics below which may help you understand it. My Samsung TV has other options too. This is a one time action
After which
See the pic below (Airplay on Samsung 4 Series)
Mirroring to nearby devices
