Before you leave your hotel, Simply Turn on your phones GPS / Location and wait for your phone to get a lock. Then Tap Save your location in this app,
When you are ready to return - Tap the Return to location Button, Your Google Map will come up and guide you to your Original Location. You can also Show it to a Taxi Driver if you don't speak the local Language.
Book your Hotel Room online and Locate a Taxi Worldwide.
Easy and Simple to Use.... Enjoy..
Note: you must get a location lock before the button will work. If you do not see coordinates then you tap the button and wait for the phone to locate your position.