" changing " tells the story through a spell , only 20 somethings Yoga Lin arrangements played by Na Ying 's " seniors " , and can teach back in time , while Samsung GALAXY, the SII will become the key props of the film - time magic wand . Arrangements for such a contrast to the role of Na Ying said with a smile very challenging : " began to hear Yoga Lin , I am very excited about the roles of us how to match it? Was later learned that he played my seniors taught me to ride a bicycle . "