Complex sentence: Chromecast is managed through the Google Home app (formerly Chromecast app and Google Cast), which was released at the same time as the original video model, and is available for both Android and iOS mobile devices.
Split into simpler sentences: Chromecast is managed through the Google Home app (formerly the Chromecast app and later the Google Cast app). It was released at the same time as the original video model and is available for both Android and iOS mobile devices.