The product owner of the app store, informed me at our 2 weeks ago that bringing back the deeplink URL is high on the priority list. For now the deep link is available but the URLs are a bit unclear how they are setup.
Taken the name of you app, and replace the spaces with - and place at after
https://appstore.home.mendix.com/link/app/ and you have working link. (well sometimes )
However this does not work for special characters and some apps. no clue what it should be replaced with.
Rest assured you're not blind :-) The deeplinks were removed with the remake of the appstore. I would like to see them back in the appstore as well.