OpenNavigation

Đây là một hệ thống GPS Navigation

This app will tell you your longitude and latitude coordinates, it will also tell you your street address and ZIP or Postcode. If you press the My Location button it will remember the location you are at, at that moment, then when you go to another location you simply press GPS and this will open up Google Maps Navigation system and have your route automatically planned out on how to get back to your previous location.