Download topo maps for an offline outdoor navigator! Use your phone or tablet as an offroad topo mapping handheld GPS with the bestselling outdoor navigation app for Android! Explore beyond cell coverage for hiking and other recreation.

Download topo maps for the US and many other countries in advance, so you won't need cell coverage for navigation. Use storage memory for maps.

Use GPS waypoints from GPX or KML files, or enter your own coordinates using longitude/latitude, UTM, MGRS, or grid reference. Using GOTO makes a waypoint a locus for navigation.

This uses many publicly available map sources as free downloads. Some additional content available as an in app purchase:

See the menu under More-> "Purchasing AddOns". They can be shown on top of topo maps.

You may try the DEMO version to make sure you like the maps in your country.

About topo (topographic) maps: Topo maps show terrain through color and contours, and are useful for navigation offroad. Topo maps and GPS can be used for hiking, hunting, kayaking, snowshoeing, & backpacker trails.
You can create your own maps with Mobile Atlas Creator, or specify a custom tile server. Built in sources include:
OpenStreetMaps from MapQuest
OpenCycleMaps showing terrain worldwide
US Topo Maps from Caltopo and the USGS
USTopo: Aerial Photography with markup.
Canada Topo Maps from Toporama
Marine maps: NOAA RNC Nautical Charts (coastal)
USGS Color Aerial photography
Topographic Maps of Spain and Italy
Topo maps of New Zealand
Japan GSI maps.
Many of the above sources are generally free to use.

Use offline topo maps and GPS on hiking trails without cell service. The GPS in your Android phone can get its position from GPS satellites, and you don�t have to rely on your data plan to get maps. Have more fun and safe GPS navigation in the backcountry.

Use as a geocaching navigator by getting a pocket query as GPX.

Besides geocaching, use GPS for recording tracks and GPS waypoints on your trip, all the while tracking your GPS quest on topographic maps. It may replace your Garmin handheld GPS.

Here are some of the outdoor GPS activities BackCountry Navigator has been used for:
As a hiking GPS both on hiking trails and off trail.
Camping trips to find that perfect camping site or the way back to camp with GPS.
Hunting trips for hunting wild game in rugged areas.
Doing recon for a hunt or as your hunting GPS
Fishing: make it your fishing GPS.
Search and Rescue (SAR).
Trekking the Pacific Crest trail or other long term hiking.
Kayak and canoe treks on inland lakes and streams or marine, coastal waters.
Backpacker trips: using topo maps of wilderness areas and national forests for navigation on trails with the GPS in your rucksack or backpack.
Snow sports including snowmobiling, skiing and snowshoeing.

Find your own ways to have fun in the outdoors. Be a maverick by venturing beyond cell service boundaries with your GPS. Become a pro at navigation with GPS for the outdoors.

BackCountry Navigator has been on WM devices and preloaded on the Trimble Nomad outdoor rugged device. This Android version is more flexible, featured, and fun. Create a memory with maps.

For a one time fee, this a great addition to the outdoor gear you bought at Cabelas, REI, or another outdoor store. Many have found the Android GPS in a phone or tablet to substitute for a Garmin GPS or Magellan GPS, such as the Garmin GPS units Montana, Etrex, or Oregon. Android can be your handheld GPS.

 

 

 Attempt to avoid malicious uninstall by Samsung Gear Manager.
Fixes for memory overruns in long tracks and/or Android 2x and other issues.
Night mode compass.
Server changes for Spain IGN - their server moved.
Addons include Accuterra map source, Digital Globe Subscription GMUs of various states. SnowMobile trail maps, ATV, Equestrian, Birding, and Whitewater trail maps, and BLM Land Boundary Maps of 12 western states.

MORE DETAIL: GOOGLE PLAY

Use offline maps and GPS even without an internet connection. This app is great for hiking, boating, geocaching and other outdoor activities.
 

Multiple global online maps:
MapQuest, Open Street Maps (Cycle, Public Transport), Bing, Yandex, Ovi/Nokia, OpenSeaMap.
 

Multiple regional online maps:
USGS Topo, NOAA RNC Charts (US), Canada Toporama, Ordnance Survey UK (Explorer, NPE, 1st Edition, 7th Series), OutdoorActive (Germany, Austria, South Tyrol), Esri (Topo, Physical, Imagery, National Geographic, Oceans), HikeBikeMap (Germany), UMP-pcPL, Trail.pl (Poland), GSI (Japan), NearMap (Australia), New Zealand Topo and many other maps.

All maps automatically cached for offline use. Use Mobile Atlas Creator to download maps or MAPC2MAPC to convert maps from other formats.

Since version 2.0 you can add custom map servers.
 

Share your current or planned position:
You can send address, GPS coordinates, link to Google Maps and even map image.
 

Navigate easily:
Build-in radar shows the direction, distance and estimated time to a point of interest. See all the nearest locations from FourSquare and Footprints.
 

Find your way back:
Trackback function will guide you along a previously recorded track with compass pointing to a nearest point. A new track can be recorded at the same time.
 

Challenge yourself:
Turn on Trackback and timer to watch your previous position correlated with the current time on track.
 

Save places you visit:
All waypoint stored in KML file and can be viewed and edited in Google Earth.
 

Record tracks with single tap:
Tracks are recorded in GPX format and can be viewed in Google Earth and other software. Share GPX files via email or DropBox.
 

Upload tracks to GPSies:
Free account is required for uploading.
 

Trip Computer:
Watch speed, altitude, pitch and many other values.
 

Support for Honeycomb, Ice Cream Sandwich and KitKat.
 

Ability to use barometer sensor in Galaxy Nexus and other devices.

Pro Version: 

Google Places search was removed by request from Google company. Maverick can't use it without displaying Google Maps, which were removed previously because Google doesn't allow map tiles caching.

New tiles downloader. You can "paint" areas to download with one finger or select a rectangle block using multi-touch.
Beta versions are available in this community: Google+

MORE DETAIL: GOOGLE PLAY