I have used http://www.mappingsupport.com/p/gmap4.html http://www.mappingsupport.com/p/gmap4.html a few times on my phone to show my location on high-res topogr

I have used http://www.mappingsupport.com/p/gmap4.html http://www.mappingsupport.com/p/gmap4.html a few times on my phone to show my location on high-res topographic maps. It works offline which is awesome for saving battery on a long trek