Easy to send or receive the map point of location to user by using dual screen on one screen map which connected each other when click the upper map or down map that linked.
You can do All tests using guest id when you install this app for the first time.
(Update my location, send messages to user, and so on)
test id/pw : guest/guest
This app ONLY allowed by long click of map point to update your location or messages.
E-mail : firstname.lastname@example.org