If you want the entire country all available all the time then a Zuni is going to be your solution. There is no total solution on the android that I'm aware of.
Rally Moto Kit /// Vendor Thread
Originally Posted by Dread Pendragon
Mention to HogWild which way the wind is blowing where you're at, wait 20 minutes, and he'll post a picture of the intersection your at and a Google Earth route of how to get there.