Flamp - Reviews of companies in your city.
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.
Yelp - The free Yelp mobile app is the fastest and easiest way to search for businesses near you. Download it now to get started.
NetBuddy - Netbuddy is a virtual network operator for a mobile device.
Wikivoyage - the free worldwide travel guide that anyone can edit.
Foursquare - Foursquare is all about helping you find new ways to explore your city.