What PowerShell commands will I need to know?
At this time, CHTools is being upgraded to include some client interaction / troubleshooting.  However, in the event that CHTools is unavailable, there are a few commands you may need to be able to run.
•	Sync-AppvPublishingServer 1
o	This will force the AppV client to re-sync with the publishing server, and pull down any new packages that are available
•	Get-AppvClientPackage
o	This will list all AppV packages currently available to the machine / user, and their status:
•	PackageId            : d24c3bdd-8fad-44d3-998c-933f8f053682
•	VersionId            : 8036276e-7f9d-4672-b7de-165cb94f4d71
•	Name                 : Microsoft Office 15 ProPlusVolume_en-us_x86
•	Version              : 15.0.4569.1508
•	Path                 : \\echristus\ch\ConfigMgr\Software Source Files\Microsoft\MS_Office_2013_Pro_AppV\ProPlusVolume_en-us_x86.appv
•	IsPublishedToUser    : True
•	UserPending          : False
•	IsPublishedGlobally  : False
•	GlobalPending        : False
•	InUse                : True
•	InUseByCurrentUser   : True
•	PackageSize          : 2152633351
•	PercentLoaded        : 4
•	IsLoading            : False
•	HasAssetIntelligence : True
o	Values useful to you:
	Package and Version IDs
•	These will be used if you need to interact with the specific package
	Name and Version
	InUse (ByCurrentUser)
•	These will tell you if the package is currently running.  If it is, you will not be able to modify / reload it
	PercentLoaded
•	How much of the package is currently loaded on the local machine
•	Stop-AppvClientPackage -PackageId <id> -VersionId <id> -Global
o	Use this to force stop an AppV package that you need to work on
•	Remove-AppvClientPackage -PackageId <id> -VersionId <id>
o	Use this command to unload a package, such as when you need to refresh it.
•	Mount-AppvClientPackage -PackageId <id> -VersionId <id>
o	Use this to force a package to load (pull down from the server)