OsmAnd ( OSM Automated Navigation Directions ) is a mapping application and navigation data with access to free OpenStreetMap (OSM) , global coverage of high quality. All map data can be stored on the memory card of your device for offline use .
+ Works Online (fast) or offline (no charge d \ ‘ roaming when you are in \ abroad)
+ Voice Guidance
+ Optional display of roads , street name and \ ‘s estimate of \ hour \’ s arrival
+ Supports various stages \ ‘s route
+ Automatic Recalculation \ ‘s en route itinerary
For More Info Google Play