This application turns your Android tablet and Android phone into a GPS navigator with offline maps of the United States.
Discover interesting places (Points of Interest (POI)) near you: restaurants, bars, clubs, cinemas, theaters, parks, schools
The maps include detailed maps of the largest cities in the USA .: New York, Los Angeles, Chicago, Dallas, San Diego, San Francisco, San Jose, Philadelphia, Phoenix, Boston, Miami, Denver, Seattle, Detroit, Columbus, Washington DC, Memphis, Charlotte, Nashville, Austin, Jacksonville

All maps work offline without being connected WIFI or 3G / 4G.
Track your location in real time.
Share your latest tracks road trip tracking .GPX sharing with friends and family present
All maps are up to date and uses high quality data OSM.
50 states, including Alaska and Hawaii available for free without any in-app purchase to download map USA ..
Add favorite sites and markers to the map.
Ideal for those traveling outside the big cities with irregular connections and large data for the backpack.
Include any city in the USA.

http://TimeZonesMap.org/android/usa-offline-map-android.php