Steven Howse, the 32-year-old developer of Slither.io, is struggling to keep up with the demands of his new creation. His app consists of a free multiplayer game that gives users control of snakelike ...

Mobile game "Slither.io" retains its popularity, "WhatsApp" surges in several territories after implementing automatic encryption, and health insurer Qantas gets users out and about. Meanwhile, ...

What’s up at the app stores? Here’s a roundup of the most popular apps and games for iPhone and Android phones for last week: ...

The Wall Street Journal's Sarah E. Needlman discusses how the mobile gaming app Slither.io went from a small startup to being downloaded more than 68 million times across mobile devices.