You run a friendly, the younger horse lovers also a buffet, but very easy to get lost, though also a buffet Matt lost some fun, but time is not enough to be miserable. So wrote a program to help himself when the horse can run self-help to provide appropriate directions, avoid getting lost fans too. This only program the biggest difference with other offline map app is in the face of the turning or crossroad where, will issue voice prompts running friends, most cases do not need to come up with a mobile phone to view again map When runners too far off-route, will issue voice prompts running friends back on the right path.