From Roy Dimayuga:
New York MTA Subway Offline Map. Ever got caught on the subway with no Internet service and not sure where to go because a map is not handy? New York Subway Map lets you view New York's complicated subway lines on a map on your phone even offline. No need of internet Service. Super Simple and Easy to use. Best of all it's Free. Late Night Service Map also available. Metropolitan Transit Authority (MTA) Subway serves New York City's Five boroughs: Manhattan. Brooklyn. Queens. Staten Island. The Bronx. #SuperAwesomeApps. http://www.SuperAwesomeApps.com.