It saves the position of your car or vehicle, on your mobile device, it does not share data with third parties nor does it store it outside your device, it is totally transparent and everything is under your control.
Make a history, car parks, bars and shops if you wish. You can after storing the point edit it, delete it and consult it. In addition to a small annotation when you take the point or past, saving if you want favorites in your history of points scored.