This is the most important add-on for using Google within Firefox. It is easily customizable and always conveniently available for instant navigation to whatever I need to use in the wide range of Google capabilities. There could be one or two minor improvements but these relate to selections within the drop-down selection box for all of Google's most important functions. I've been using it for about 10 years.

Needs a dark mode

Doesn't work correctly since version from 13.07.22

It does as much as I want, as far as simple and rapid access to my most-used Google applications is concerned.