Download this app if: you want extensive GPS capabilities.
All in One Sale. Navigation + Head-up Display + Dashcam. Buy them together. Save 40%. Extended until 31.05.2015.
Sygic: GPS Navigation & Maps is The World’s Most Installed Offline turn-by-turn GPS navigation App for Android powered by TomTom Maps. Navigation and Maps are installed on the SD card...
Extensive — Lots of content here. It's free to try for a week then you'll need to pay subscription, but there's much to enjoy: updated maps, turn-by-turn directions, lane assist, speed warnings, etc.