A great application by our partner (LINKdotNET) for System Center Service Manager…

Windows Phone 7 : http://www.windowsphone.com/en-us/store/app/service-manager/de42d927-4c2f-4b8a-8abf-df739e26c59a
Windows 8 : http://apps.microsoft.com/webpdp/en-US/app/service-manager-client/6283dbef-e01b-4100-a45d-b7a97ac08e3b
iOS : http://mobteam.linkdev.com/Infrastructure/Infrastructure.html