If you’re from Taiwan, HongKong and Korea. You can read more about this event from this site:
Summary of Jang Keun Suk’s words in the video:
Hello Everyone, here is World Prince Jang Keun Suk, He also greeted in Chinese: Hello, friends in HongKong and Taiwan, I’m Jang Keun Suk. Do you have Ice Cream? , I’m glad to meet you through Taiwan Yahoo Crazy Mission Challenge Program. Come to the web to challenge me. Don’t you want to send me your challenge ideas? There are lots of pics of me, come to see. I hope you will like them.