The user tells the app where they want to go and the app shows the user which direction to walk in with an arrow and the distance to the destination.Unfortunately the compass on my pixel is rubbish so the app only works for the few minutes after the compass is re-calibrated and before it loses its calibration.So, maybe I should rewrite the app so that you have to point the phone in the direction of the sun and then the arrow shows you the direction. The problem with this is that I live in the UK and half the time you cant see the sun.