Related to another question on Superuser, I\'m trying to run a Metro based application from the command-line. According to a comment on my superuser question, I could maybe find
Here's a blog post by Powertoe that uses the IApplicationActivationManager way of doing it:
http://powertoe.wordpress.com/2012/11/02/get-a-list-of-metro-apps-and-launch-them-in-windows-8-using-powershell/
He provides code here http://poshcode.org/3740 that provides a Start-MetroApp commandlet for powershell.
Alternatively: I think some Metro Apps have protocol handlers, so that you can talk to them via a URI (e.g. "appname:dosomething") but I'm not sure how widely used this is.