Hi guys please I need anwsers on this seriously.

Is there any app or software one can use to connect two phones or two computers or both such that

Without using data or wire connection

1.I will be making a video with one of the phone while the other phone can display what I am videoing.

2. Make sound record while the other phone can listen to it as well

3. It will work with hostpost and WiFi

Your response are appreciated