Facebook app makes it easy to stay connected and share information with friends. The Facebook app offers a fast and comprehensive Facebook experience on over 2,500 different phones. This app not only includes Facebooks most popular features, such as News Feed, Inbox, and Photos, but also enables you to upload photos and find friends from your phones contacts.This experience is optimized to use less data than other Java apps or mobile sites, making it much more affordable for people to use this app.