CooTek (Cayman), Inc. is a mobile internet company, which engages in the development of mobile applications and artificial intelligence technology. Its products include Hi Shou, Drink Water Reminder, Happy Jogging, Crazy Reading Novel, Idle Land King Tycoon, Farm Hero, Crazy Painting, Hi Hamster, and TouchPal Smart Input. The company was founded by Kan Zhang, Teng Ren, Jia Liang Wang, Jim Wang, and Qiao Ling in 2008 and is headquartered in Shanghai, China.