
If it is a Store app, DM client invokes the EnterpriseModernAppManagement CSP which handles the rest.

The DM client knows if the app install instruction as sent is for a Store App or LOB app by reading the LocURIelement of the SyncML instruction. Intune sends the app instruction with intent DownloadInstall or StoreInstall.DM client then initiates a connection to the management server.Push Notification Provider (WNS) will notify the DM client on the target device to initiate a connection to service.

