Ahaha, it works for my Cup opponent, could send offer to him.
You could buy all his good players, hahaha

Well, at the moment you cannot buy/sell players from other servers and you cannot switch servers.
Make a suggestion in "Suggestion section". The more the better.
If you want to be with other friends, you must start a new fb account and accept playing t11 when they 'll invite you (but then you 'll be in lv1 of course).