During the session he answered many community asked questions regarding the game. In addition to answering all of them and providing us with a lot of information; he also showed some pre-alpha gameplay footage as well. In between Yoshida also brought out some of the concept art for the game which have not been shown before.
A surprise guest appearance of Yoichi Wada from Square Enix during the stream revealed even more information of the Final Fantasy title. You can check out the the video which runs just below two hours.