Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Edit HTML Source by Sighurt
Rated 2 out of 5 stars
You can find a nice replacement here:
https://nic-nac-project.org/~kaosmos/index-en.html
To create your own collections, you must have a Mozilla Add-ons account.