well i have found a few things but mostly i have been waiting for Google earth there are some programs like trek buddy where if you have the charts you can port them out and move them over but nothing that is really good. On my windows mobile phone i used topo 8 and a subscription and Microsoft streets and trips but i have found nothing like it for android yet. from what i understand google earth for android will be able to link to a online kml layer and that is what you would need

if you come up with something else let me know