|User since||May 27, 2009|
|Number of add-ons developed||0 add-ons|
|Average rating of developer's add-ons||Rated 3 out of 5 stars|
Fine Rated 5 out of 5 stars
It works perfectly. And if you take the time, creating your own isp definitions it's not so hard.
For portuguese ISP prefs go https://addons.mozilla.org/pt-PT/firefox/addon/12329