A couple days ago, Microsoft released an official Remote Desktop app for both Android and iOS, and the press release for the app mentioned versions for Windows RT, Windows, and even MacOS, but did not include any mention of a Windows Phone app. However, Microsoft has confirmed that it does have a Remote Desktop app in the works for its own mobile platform...Source: http://www.phonearena.com/news/Microsoft-confirms-Remote-Desktop-app-is-coming-to-Windows-Phone_id48464
