Thank you for your work in developing Join - just installed (and purchased) yesterday, and it seems to be working very well so far. :)
Please consider simplifying the title of the context menu entry in Chrome - currently it says "Join by joaoapps" when really, "Join" is all that is required.
There are no other extensions in the Chrome web store that could be confused with Join, the closest one being 'join.me'. I am fairly certain that this extension doesn't even create a context menu entry.
Please do simplify the context menu entry, and keep up the great work. :)