Most of us heard about letting users rate our app without leaving the app using the new SKStoreReviewController in iOS 10.3, but I haven’t heard anyone mention being able to open the app into the App Store, and then automatically popup the Review screen:
To automatically open a page on which users can write a review in the App Store, append the query parameter action=write-review to your product URL
https://developer.apple.com/reference/storekit/skstorereviewcontroller/2851536-requestreview