A new version of Magellan's RoadMate App for the iPhone has been released in the App Store. The latest release is fully compatible with iOS 4, taking advantage of multitasking and the iPhone 4's Retina Display. Users are now able to make or receive phone calls while real-time navigation continues in the background. Other new features include LifeTime Live Traffic, location-based promotional offers and coupons, and the ability to share points of interest with friends. The Magellan RoadMate App is currently on sale at a cost of $45 for the North American version, $35 f