Nook for iPhone appears to be a big improvement over the company's previous B&N eReader for iPhone. As with the iPad app, you can customize color themes (for backgrounds and links) and set the screen for day and night reading, as well as control the screen brightness. The company says the eBook cover art and text have been been optimized for the iPhone 4's Retina display but it also looks just fine on earlier iPhone and iPod Touch models. Barnes & Noble's LendMe feature, which allows you to lend out certain e-book titles to one friend one time for 14 days, is also integrated into the new app.
Check out all the features on the Barnes & Noble Web site or just download the app here. It's free, after all.
