Do you want to make fun pranks to your friends, easy, you can make them think that they have poor reception during a call. Make or pick up a call, then push the button, carry the discussion and your interlocutor will keep asking you to repeat, maybe he will even change the place to listen to you better, he will end up frustrated and there's a good chance he will hang up. Funny prank!
Plea can be considered as a way to block calls gently, instead of not taking the call from the start, which can be rough, Plea can end up the call while blaming a poor reception of the signal.
You will always be able to prank your friends, whether you are the caller or the called party.
Plea is a very easy prank call app, with its intuitive interface, you will just need to press the button "normal signal" to start call prank and "low signal" to stop it.
Even if the floating window appears during calls on the screen, the prank will not be effective until the button is pushed.