DescriptionRMaps is an on and offline navigation tool that works with:
Google Maps (Incl. Satellite and Terrain)
Open Street Maps (standard, cycle, transport etc...)
VFR and IFR maps
as well as many more.
Lots of great features including: search, auto follow, auto rotate, POIs, offline maps, custom maps, compass...
Google+ Community: https://plus.google.com/u/0/communities/109854733530801717733