Abstract
In recent years, thanks to the high developed technology, not only customers but also carriers and digital contents providers, lead a convenient live in a world fulfilled with network. Traditional online-game industry had been thoroughly changed. According to a trustable statistical data, entertainmenttakes the most useage (and time) of mobile (and internet). For instance, in southeast asia countries, mobile game could be considered as a rising market. In Taiwan, we are a mature market. Japan, America and countries in Europe are relative advanced market. No matter in which kind of market, or in which kind of system, IOS or Android, the biggest propotion in both App sotre and Google play, is mobile games,almost over 80 percent. Alought the output value of mobile game is keeping increasing,the relative limited population in Taiwan, leaving a difficult situation for the companies. Companiesfranchise products from Japan. Korea or China. And the market is getting saturated due to the low entry barrier. Thus, the main goal of this reaserch is to provide a systematic view for the small and medium-size enterprises by observing how the leading companies do. Also, applying some study of strategy to explain the market situation.