Save on thousands of hotels
New York City Fort Lauderdale Orlando Denver

Google Wallet - Send money from anywhere to a friend in the US who has an email address.  Store loyalty programs in Google Wallet and leave the plastic cards behind.
Hailo - Uses cell phone’s GPS to make cabs come to the user.   Available in six US cities/15 worldwide.
Groupon - Find 50% to 70% off restaurant offers.
MoneyPass - Access locations of over 20,000 surcharge free ATMs either by entering an address, a zip code, or using your current location. 
Ski & Snow Report - Get the latest ski reports with detailed trail maps.
Google Maps - Accurate GPS enabled maps along with voice navigation.
Evernote - Take notes, capture photos, create to do lists, record voice reminders, and make these notes completely searchable. Users can combine and share travel notes.
Opentable - Reserve tables and earn rewards at over 20,000 U.S. restaurants.
World Clock - Time Zones - provides easy access to the time in hundreds of cities and adding several clock as home screen widgets.
Urbanspoon - Shake your phone and the Urbanspoon slot machine will suggest local popular east via the GPS in your phone throughout the US, Canada, UK, and Australia.
Trip Journal - This virtual travel scrapbook will also create maps of your various explorations as long as your GPS in turned on, geo tagged with pictures, videos, and notes.
TravelSafe - A database of emergency service and embassy phone numbers for almost every country.
RoadNinja - Always know what is coming up at the next exit and compare gas prices at upcoming exits.
Perfect World Clock - Provides easy access to the time in hundreds of cities adding several clocks as home screen widgets.
Schemer - Users leave recommendations for things to do in their city and visitors can add to a to do list and check off as they go.