An icon will appear in apps like Netflix and YouTube. Once the installation process for your Chromecast device is complete, you can use any device with the app installed on it to send video to Chromecast.
While there are more options with the desktop or laptop version of the app, it is very cool to be able to send video directly from your mobile device to your TV. The result is that your iPhone or iPad can subsequently stream video to your TV. The app works in tandem with the device, which plugs into any HDMI port on a TV. Chromecast is the iOS app for Google's newest device, the Chromecast streaming video receiver.
