Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Proton Mail Toolbar Button by RickW
Rated 5 out of 5 stars
Lars, awesome, you are indeed correct - I was looking for the button in the unified toolbar customizations - but as you noted, it appears on the Spaces Toolbar - excellent, and thank you!
This user has a previous review of this add-on.To create your own collections, you must have a Mozilla Add-ons account.