Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Open Google Calendar by Guillaume
Rated 5 out of 5 stars
Works perfectly as intended (Thunderbird v102.2.0). Opens a new tab with google agenda, like in a Firefox browser. The button to open it can be moved within the toolbars.
To create your own collections, you must have a Mozilla Add-ons account.