Amazon shipped an update to its Kindle app for the iPhone and iPad. Version 2.2 adds a variety of new features, such as instant word lookup that quickly finds definitions for highlighted words. The included dictionary provides over 250,000 entries and definitions, however users can also choose to look up content on Google or Wikipedia.
Plus users now can search inside the book on iPad. Devices running iOS 4 can also take advantage of multitasking capabilities to quickly move between different apps.
Kindle 2.2 is now available as a free download from the App Store
