CooTek (Cayman) Inc. provided revenue guidance for the fourth quarter and full year of 2019. for the fourth quarter of 2019, the company raises its revenue expectation by 28% to about $48 million, representing 2% increase year-over-year. For the fiscal year of 2019, the company raises its expected total revenue to about $157 million from previously forecasted $145 million, representing a 17% increase year-over-year.