You can use this tool to display a list of virtualized applications that are currently running.
The App-V Application Listing Tool (ListVApps) is a tool which lists all the virtual processes that are running at a specific time on a specific computer. You can use the tool to get information about the priority and owner of each process, the size of its virtual memory, its session identifier and processing time.
User with administrator privileges will see all running virtual applications.
This application is not supported through the official Microsoft Support channels. Please use the Microsoft Application Virtualization TechNet forums to provide feedback or report any problems.