Icompanion Mobile is a fantastic application that help you explore VietNam in the most comfortable way. Instead of using keyword searching, you can express your needs of information about tourist attractions and related local business and for example: "find dining services place having Europe cuisine style, next to a tourist attraction that related to the history topic". Relying on semantic technology, this tourist guide can understand the meaning of your question and give you more precise answers. Walk along the street with ICompanion in hand, you are recommended about interesting places based on your interests and your geographic location, featured with media enriched information and the direction guides on map. You will never been stranger at tourist destinations in Vietnam. In this release, the tourist guide application was limited to Hanoi and HoChiMinh city. Turn on your 3G or wireless Internet connection as well as My Location service (via wireless or GPS) and have fun exploring.