Currently CM doesn't add any support for Platform Lifecycle Management (PLM) on WinRT. It's certainly a goal which I'm looking to work towards for the next version however there are some real problems with the possible solutions at the moment.
There are some ways you can use the SuspensionManager from the Visual Studio templates to achieve what you need.
There are some ways you can use the SuspensionManager from the Visual Studio templates to achieve what you need.