Hi,
According to your description, we can implement it by using Windows PowerShell or the Deployment Image Servicing and Management (DISM) platform.
Add and Remove Apps Using DISM:
http://technet.microsoft.com/en-us/library/hh852635.aspx
Meanwhile, I would like to share the following article:
Customize the Start Screen:
http://technet.microsoft.com/en-us/library/jj134269.aspx
You can add your business apps to a Windows image and customize the Start screen to include them.
Hope this helps.
Regards,
Hey Kyle,
Typical Microsoft response. Did you ever have any luck appx files? I see there is a way to capture them when downloading from the store but really If Microsoft supports deploying them with Configmgr they should be posted to download from somewhere.
Jason