Wikitude

Price: FREE
Platform: iOS, Android, BlackBerry, Windows Phone 7, Symbian

Wikitude is a virtual browser that lets you pull up Wikipedia entries on objects or landmarks simply by focusing your camera on them. It also finds mobile coupons and discounts for local stores. The “myWorld” feature and “Create Place” tool can be utilized to mark and share favorite spots with friends on Facebook. It's available on all mobile platforms.

Click Here to Download from the Apple App Store

Click Here to Download from the Android Market

Click Here to Download from BlackBerry App World

Click Here to Download from the Windows Marketplace

Click Here to Download from the Symbian Version