How to browse read Focus stories by folder on Android?

I’ve set up my feeds into folders, and also use the intelligence trainer to hide irrelevant stories.

This works well on desktop - using the ‘hide hidden stories’ toggle I can view only my focus articles by folder with the hidden stories excluded, regardless of read/unread status.

However, on the android app, I can only view unread Focus stories by folder. As soon as stories in the Focus section are marked as read, the folder structure disappears and my only options are to (a) view all Focus stories in one mixed-up stream or (b) go back to the All section where non-focus stories are not hidden.

Is there a way that I’m missing to view focus stories only (read and unread) by folder?