19th Biennial Conference of the International Telecommunications Society (ITS): "Moving Forward with Future Technologies: Opening a Platform for All", Bangkok, Thailand, 18th-21th November 2012
This paper investigated the driving force of diffusion in smart phone market by analysing usage of them and making their component model. Main findings are following four: 1) In Korea and Japan their average smart phones' traffic per user has been the world's highest level. But its diffusion pattern is very different. 2) The Korean government and private companies strongly support diffusion of smart phones but not so much in Japan. 3) Korean and Japanese Mobile phone companies and/or manufacturers try to build their application stores. They collect funds for developing tools and application developers. 4) Importance of customises or localise for drastic diffusion.