A new way to attract visitors to know more about Hong Kong. It is common that using mobile phone and taking photo in daily time nowadays. It is vital to make good use of media to penetrate to the public. By playing this game, people can perform their creativity and show an unique appearance of Hong Kong. By providing an incentives, people are more willing to participate in the campaign, share their photos and also promote Hong Kong. The rationale of this game is trying to use technology and creativity to communicate between people. There is also an interaction between people, as their can express their feeling by shooting different photos. Easy, convenient and funny are the main characteristic of this game - "Think of Hong Kong".