Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for User Agent Switcher by Yushatak
Rated 5 out of 5 stars
Works fine on 9.0a1 still, either enable the menu bar or tap alt to show it, and then the app is accessed through the tools menu just as it always was.
To create your own collections, you must have a Mozilla Add-ons account.