Hi,
this post describes how to start a Windows App from command line. Windows Apps cannot be started by calling the exe file in the C:\program files\WindowsApps\xxx folder. This can/must be done my using the explorer.exe.
The Syntax is
C:\> explorer.exe shell:appsFolder\%PackageFamilyNameOfTheApp%!%AppId%
Continue reading Windows: Start an Windows APP from command line