Moovit - For people that use public trasnportation a lot, or who rarely use it but need to on occasion, it can be difficult at times to figure out where you need to be to get where you need to go. Read more about Moovit.
2GIS - 2GIS provides 3D-maps of 180+ cities, contacts of 1.
Funliday - Travel planning, collaborative editing and share memories
OsmAnd - Global mobile map viewing and navigation for online and offline OSM maps
MyRoutes Route Planner Pro - MyRoutes Route Planner Pro app features trail planning, so cyclists, runners, hikers, and various other outdoor adventurers can follow a pre-selected path to have some more fun in the wild.
RMaps - RMaps is the navigation tool. You can use RMaps like online map viewer for some popular maps.