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.
WhatsApp Messenger - Provides the ability to send data (including pictures, videos, sound clips, and GPS tags as well as text) via Wi-Fi for free to people anywhere in the world.
Touchnote - Send real postcards using cell photos.
Foodspotting - Focuses on specific dishes with user generated recommendations.
The Weather Channel - View current weather, hourly, 36 hour and 10 days forecasts.  Will forecast weather throughout the United States.
JetLag Genie - Gradually alter your sleep habits before a trip to better deal with jet lag.
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.
Packing Pro - Enter destination, length of trip and who with and it will provide a list of what you may need.
myLanguage Translator Pro - Translate text into spoken voice.
HopStop - Offers public transport information on 68 of the world’s biggest, busiest metropolitan hubs.
Lemon Wallet - Allows user to store a digital copy of all cards – ID, insurance, loyalty, and payment card, so that they can be accessed whenever needed.
World Clock - Time Zones - provides easy access to the time in hundreds of cities and adding several clock as home screen widgets.
EHU - Helps campers and caravanners keep track of the electrical output of their assorted travel gadgets to avoid overloading the circuit.
HearPlanet - The world’s largest audio guide pulls information from Wikipedia and its own database. Similar to audio guides handed out at museums.
PhotoSynth - Enables users to take awe inspiring panoramic pictures in an instant and is fully integrated with Facebook.