Red Laser is a great little iPhone app that allows you to scan bar codes and then do several different things. You can instantly access a bunch of online prices and information, beam movies to your TiVo, read book reviews, add a food item to a grocery list, and more. The best part is, it actually works. Go here to read our full review of Red Laser. Get it here from the App Store, for $1.99. The developers, Occipital, have decided to release an updated beta version with extra features for free for jailbreakers via Cydia.
Here's a list of the new features available in the updated version, dubbed Red Laser 2.2b. These features will soon all be available in an updated version of Red Laser in the iTunes App Store.
To get the cool new version of Red Laser, jailbreak your iPhone by following this guide, and then follow the following repository link: