Comment by barrell

If you don’t mention an item, it is skipped (no grade). If you can’t remember an item, but you recall learning it, you describe it and it will be marked as fail. At the end there is a screen with all the words and you can change any from skip to fail if you truly forgot it.

Any skipped items are then prioritized in the flashcards/cloze completion/shadowing modalities.

AFAIK free recall is not very high signal as to which words you know and which ones you don’t. Skipped words I just as often forget about cards because they’re so easy as I do because they’re so hard. It is however an incredibly effective exercise to cement your recall (and in my apps case, a good way to skip a good portion of your reviews in a day)