Kingsoft Corporation Limited engages in the entertainment and office software and services businesses in Mainland China, Hong Kong, and internationally. It operates in two segments, Office Software and Services, and Entertainment Software and Others. The company is involved in the research and development, operation, and distribution of games; the provision of PC games and mobile games services; and design, research and development, sale, and marketing of office software products and services of WPS Office. It also engages in the research and development of online games; marketing and operation of SMS, and wireless service of online games and application software; research and development, operation, and sale of office application software; marketing and operation of entertainment software products; and research, development, and distribution of consumer application software. Kingsoft Corporation Limited was founded in 1988 and is headquartered in Tsim Sha Tsui, Hong Kong.