Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Folder Levels by bosla
Rated 4 out of 5 stars
The idea is great and it makes the whole folder structure much more readable. Alas, it only seems to work for real folders (remote or local), but not for virtual (search) folders.
To create your own collections, you must have a Mozilla Add-ons account.