Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
TripCost - Travel like a local
Wikitravel - This article is a Movie/TV Tour.
2B LOCAL - Social travel & lifestyle app with tips by friends & locals
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Simmer (formerly Foodie) - Yelp, but for every dish on the menu