Nuance Communications, Inc. announced it is adding developer support for Windows Phone and a three tiered service structure to its NDEV Mobile Developer Program. The company's Dragon Mobile SDK is now available for all major mobile platforms, including Windows Phone 7.1+, iOS 4.0+ and Android 2.1+. A HTTP web services interface is also available. In addition, the company said all three service tiers will have access to eight new languages for voice recognition.