Optimizing bandwidth for Microsoft Store app updates on Windows 10 devices

The recommended strategy to take advantage of all of the built in mechanisms for deployment optimization (WU APIs, Delivery Optimization, etc.) is to onboard the packaged applications as LOB applications through the normal process.

https://docs.microsoft.com/en-us/windows/uwp/publish/distribute-lob-apps-to-enterprises

https://docs.microsoft.com/en-us/microsoft-store/working-with-line-of-business-apps 

Then you can integrate Intune or Configuration Manager into the Store for Business tenant to assign and push these applications to end users. Once configured, they leverage the store platform and its parallel features for deployment and servicing.

https://docs.microsoft.com/en-us/intune/windows-store-for-business

https://docs.microsoft.com/en-us/sccm/apps/deploy-use/manage-apps-from-the-windows-store-for-business