Find the Place

"Find My Place" is very useful app. Use it to mark your space. Then when you want to get back, press the button and get the quickest route back. Very useful for families shopping, on vacation, tour guides etc. Never walk anywhere just because you should not get away from each other.
If you are several people the you all should press the button and set the same time. then you will all be back at he same time.
Simple and effective.
Set time is informing every time the time is halfed.