Mirror Mirror is the smartest and simplest way to make a mirror that works. Just install it on your Android phone or tablet and it'll do the rest. No need for any other software or hardware.

It works just like a traditional mirror, but with a few advantages. First, it can reflect multiple screens at the same time. Second, it automatically recognizes when you're using a device and adjusts itself accordingly. It even knows when you're not using the device.

And third, it has a very simple interface. Just install it on your device and you're good to go.