8Motions is a new mobile map client, allowing you to browse maps (Google, Microsoft, Yahoo and Ask.com), that can take advantage of GPS (internal or external through bluetooth) and can be used to display KML files on mobile, with a companion website
Downloads: 1,070,239+ (for Android)Report app for spam or abuse!
Maps Open AT3 Free
Maps online from Openstreetmaps. Enjoy the alternative source of maps on the web. Updated constantly
amAze GPS Free
amAze GPS light edition provides free access to worldwide street maps and local search. Full version