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When you activate(turn on) your phone's location services and you allowed your phone's web browser(Google Chrome, Firefox, Safari etc...) to access it, you will receive the submission data of your location when you submit the form through your phone's web browser.
I would suggest you try to create a form with Geolocation widget and access that form on your phone's web browser. Make sure the phone's location service is turned on and it is allowed to be accessed in your phone's browser and make a submission. Check your form's submission page and you should see the address.
If this is not what you are referring to, please feel free to explain your concern in further details. Thank you.