Qihoo had become one of the leading Internet company now in China after its inception in 2005. By 2009, Qihoo rapidly transformed into a market leader in China by offering its product away without any cost, while in starting it only offered a security software product. By then, it increased its product line by targeting the wide ranging internet and mobile security products. So.com. was the first search engine launched by the company in 2012 and within a year it increased PC market share to around 18% that ultimately caused a threat to other players including Baidu, a leading search engine provider in China. To develop a strategic competitive position by competing with the other established players, it required to bring the same success from PC market to the mobile market. What could be the most effective strategy for Qihoo to develop its search engine how it could ensure its growth in the longer term?