Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseDeveloper reply by Marco A.G.Pinto
Rated 1 out of 5 stars
How do you install it? There are no instructions and none of the suggestions on various forums work. (i.e. there is no 'install now' option).
This review is for a previous version of the add-on (3.0.5).https://proofingtoolgui.org/en_installing.html
To create your own collections, you must have a Mozilla Add-ons account.