This tip could be useful when you are struggling to find a way to share your “iDevice” screen with MAC or PC using AirPlay.
Simply download the receiver from http://eu.lonelyscreen.com/ than enable AirPlay from your device (iPhone/iPad) and rock on! As the AirPlay usage want, your host and device must be on same LAN.
If you are connected to a public WiFi, you could increase the security using a free router software in the host (enabling also the internet connection sharing 
)
You could view and record screen transmitted but don’t try to play copyrighted contents… Many apps deny the view when AirPlay is connected (Already tried 
)