What app or feature would you like to have?

Something that tells me when someone is looking at me.

Maybe this can work as a workaround for you.

https://www.howtogeek.com/754347/how-to-get-outdoor-temperature-alerts-on-your-phone/

Isnt there?

I'd like an app that tells me when these child stealing, sex trafficking peepee touchers are caught if ever and rounded up and put in front of a jury to face their charges