With the latest iteration of its mobile operating system, Windows Phone 7 Series, Microsoft aims to narrow the gap between its OS, the iPhone OS and Android. Built to focus on consumers, Windows Phone 7 Series — or WinPho7 — was designed from the ground up. “We made a very big decision to re-examine everything because the industries surrounding mobile are at an inflection point,” said Andy Lees, senior vice president of Microsoft’s Mobile Communications Business, about the operating system.