Touchnote - Send real postcards using cell photos.
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.
FourSquare - Turn on this app upon arrival and see a list of tips from those who have been there before you.
XE Currency - Quotes live currency rates.
Zagat - A guide to discovering the best restaurants, bars, cafes and clubs.  Started with nine cities (Austin, Boston, Chicago, London, Los Angeles, New York, Philadelphia, San Francisco, Washington DC) with more on the way.
EveryTrail - Track, share and explore.  Plot your trip, photos, and video right on the map and upload it to EveryTrail, Facebook, and Twitter.
Where To? - Enables user to locate almost anything nearby, including the nearest ATM, burger joint, and medical provider. 
FlightTrack - Follow international flights with detailed information on departure gates, delays, and cancellations.
iMuseum - A web tracker that searches via GPS the closest museums in your immediate area. Updates museum news and exhibition info regularly.
iMovie - Provides best option to shoot and send videos back home. Soundtracks and shot transitions can be dragged and dropped to create movie postcards.
Tipulator - Makes tipping easy even with split bills.
MoneyPass - Access locations of over 20,000 surcharge free ATMs either by entering an address, a zip code, or using your current location. 
Google Translate - Translates user’s words as they are spoken into a device’s mic. Has a database of 50 languages.
World Clock - Time Zones - provides easy access to the time in hundreds of cities and adding several clock as home screen widgets.
BestParking - Steers drivers toward the cheapest and most convenient garages and lots in 100 cities and 115 airports throughout North America.