aMetro shows the maps of transit systems all over the world – subways, metro, buses, trains, and other. You can find the right route between stations and estimate travel time. There is a 2D maps of stations for some cities. Used maps from pMetro project: http://pmetro.su/Maps.html
Google Play: https://play.google.com/store/apps/details?id=org.ametro
Home: http://www.ametro.org/
aMetro distributed under the GNU General Public License - see the accompanying LICENSE file for more details.