Is the max for joining Google groups at 200?
I can't seem to join any more groups through the program but through the embedded browser I can still join.
Unless it's a new update, no, the limit is not 200, it should be a lot more. Why can't you join more, what is the error you are receiving ?
You can join more but Google+ will only show you 200 groups in your profile.
Will the campaigns work for more than 200 groups? Cause it seems to max out at 200.
Of course, we extract all groups you're in.