Windows Phone 7 Mango will be released on 1st September, according to Pocket-lint. The first release was impressive for a beginner and with over 500 new features, including social networking integration, podcast direct downloads and a smart DJ, Android and Apple’s mobile operating systems better watch out. Want more details? Check out our story on the 500 new features. Nokia plans to launch its first Windows Phone 7 handset in October, but will anybody care if the iPhone 5 September release has already happened?