Chromecast review ign. ‘ Tetris 99’ Is the Only Good Battle Royale Game Alternatively content can be mirrored from the Google Chrome : ‘ Far Cry New Dawn’ Is a Fun Crazy Sequel. Where Are These Missing Nintendo Switch Games? Chromecast is a line of digital media players developed by Google. The devices designed as small dongles, personal computer to play Internet- streamed audio- visual content on a high- definition television , enable users with a mobile device , home audio system through mobile web apps that support the Google Cast technology.