So big day today Microsoft released System Center 2012 R2, Windows 8.1 and just today they release RemoteFX clients for iOS and Android which are now available at their respective stores.
https://itunes.apple.com/us/app/microsoft-remote-desktop/id714464092?mt=8
https://play.google.com/store/apps/details?id=com.microsoft.rdc.android&hl=en
So I haven’t given it a try yet, but if you have get around to try it give me some feedback!