On the Mac, click the button with a purple screen icon in the top-left corner of the screen sharing window and select the dimmed Allow Control button. How to Remotely Control Another iPhone or Mac ...

Your Apple TV really is part of your Apple ecosystem. The proof is that you can use your iPhone or iPad as a remote control -- and it's easy to do.

But when mirroring, you can't control the iPad via a mouse—you'll have to use the touchscreen or Apple Pencil. Are Your Devices Compatible?

To use Remote for Apple TV, simply open the app on your Android device. It showcases your virtual remote with buttons similar to what you would find on a physical Apple TV remote.

You shouldn't have to touch devices or tap on apps to control them, says a new Apple patent, you should be able to just wave your iPhone and let it figure out what you want.