Cheetah Mobile Inc. operates as an internet company in the People's Republic of China, the United States,and internationally. Its utility products include Clean Master, a junk file cleaning, memory boosting, and privacy protection tool for mobile devices. Duba Anti-virus, an internet security application to protect users against known and unknown security threats and malicious applications. In addition, it offers mobile games comprising Piano Tiles 2, Rolling Sky, and Dancing Line.
