When you press the start button, a map centered on the current point will be displayed.
A permission request for location information will be displayed. To use this application you need permission. Pressing the permission button will display the map centered on the current location.
When you tap the "push" button on the tool bar, the current location will be displayed as a pin on the map.
You will repeat this things when you move the places. This will record the moved foot.
Once you close the application or return to the beginning, the contents will be deleted once. Also, you can start over from the beginning.