Some watch faces are impossible to install (Android IQ Store or Web Store)

For several weeks I've had problems installing some watch faces that supposedly are supported in my Venu 2 Plus. From Android store nothing happens, just the "wait" circle, and from the web store, there is no install button, just a banner at the top with a message "There was a problem fetching the app details. Try again", which I've tried in several browsers and operating systems.

This is Android App sample:

The same face in the web store: