Feature Request: Do this to end the guessing game with iPhone app settings

One of the most annoying elements of the iPhone user interface is the guessing game we have to play when changing settings for an app.
Some of the time we open the app itself and go to its built-in settings menu. Other times we have to exit the app and open the completely separate Apple Settings app, which is a clunky experience to say the least (though a free shortcut helps) …