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Using the Library 📚

The Library is where your saved items and video progress live. Open the Library tab at the bottom of the app.

Library tab — saved items and video progress

You’ll see 7 sections, in order:

  1. Mistake Review
  2. Expressions (bookmarked sentences)
  3. Words
  4. AI Coach (liked messages)
  5. In-progress videos
  6. My list
  7. Completed videos

Practice only the sentences you’ve gotten wrong before. The most efficient form of review — skip the things you know, focus on what trips you up.

The Mistake Review section has its own streak (review streak) — separate from your main streak. It tracks whether you’ve done your mistakes review every day.

  • Today reviewed / not reviewed indicator
  • A count of how many days you’ve reviewed in a row
  • Independent from the main streak

A preview of the sentences you’ve bookmarked while studying. Tap “View my expressions” to see them all. Sorted by most recently saved.

How to save → Saving


A preview of saved words. Tap “View saved words” for the full list.

How to save → Saving


This is where the AI Coach messages you’ve saved live. It shows a preview, with “View saved messages” to see them all.

More details → AI Coach


Videos you exited mid-way. Re-enter and you pick up after the last sentence.


Videos you’ve saved. Accessible from both Home and Library.

Hiding & managing content


Videos you’ve finished. Great for listening review or shadowing practice.


The Library tab has two inner sub-tabs:

  • Library (default) — the 7 sections described above
  • My Questions — your AI Coach Q&A history (visible to Premium users / those with question history)

On the weekend, open the Library and:

  1. [3 min] Mistake Review — re-do 2 or 3 missed sentences
  2. [5 min] Recent bookmarks in Expressions — try recalling them in context
  3. [3 min] Look up unsure words from Words
  4. [4 min] Re-watch a completed video from the start (listening only)

Slot it into morning or evening — quickly skim 1 expression and 3 words.


  • Save sparingly, consistently — too much, and you stop opening it
  • Items untouched for 3+ months are fair game to clear
  • Saving ≠ learning done — review at least once before it’s truly yours

Saving guidelines → Saving