I'm not sure what you want, honestly. Please be clear, otherwise we gonna stay all day long here exchanging replies.
Simple: in 4.2, a member can submit 2397840219734012374017894897233148097231894789231943287 quizzes. It doesn't matter it you are admin; it doesn't matter he has submitted 2397840219734012374017894897233148097231894789231943287 quizzes. All those 2397840219734012374017894897233148097231894789231943287 quizzes will be playable ONLY AFTER the submitter clicks in the button to allow people play.
What you don't understand?
Have been saying that, what you mean with it:
Are those EXISTING quizzes from 4.1?
Be clear!