New advanced features of eCommerce app

I need some information for eCommerce advanced features to implement in my app.

Recently i found latest features to integrate or add in eCommerce features,

Deep Linking:

It is a link when tapped, directs a mobile user to the specified location on an app instead of directing the user to the app’s homepage.

Deferred Deep Linking:

Deferred deep linking enables the user to land on the specified page on the app after the user installs the app for the first time.

On demand delivery app:

i) User can track the order’s delivery status.
ii) Deliverer can have a clear picture on the delivery points that helps to reach the destination at the earliest
iii)The admin panel to monitor all the orders’ statuses. (ex: Contus Dart, Tookan, Getswift)