WebCast TV for Chromecast is a free multimedia application that lets you stream online videos on your big screen TV. Developed by MoobiDigit Technologies Inc., WebCast TV supports Chromecast 1, 2, 3, Ultra, and Roku. The application is designed to make streaming videos to your Chromecast device easy and convenient.

To use WebCast TV, simply start the WebCast Browser, connect your Chromecast, search for videos, load the video page, and tap on the "Play Now" button. The Chromecast Control Bar allows you to control the playing video on your TV, including Play, Pause, Rewind, Forward, and 30 Seconds Replay. The Chromecast Video Queue also allows you to add multiple videos to the playing queue.

WebCast TV also features a Multiple Tabs Web Browser, Full Screen Web Browsing Experience, Bookmarks, Reading List, Browsing History, Liked Sites Quick Access, Search Suggestions, and more. The application also includes an Annoying Ads Blocker, which is a nice addition.

It is important to note that WebCast TV does not support iTunes movies or other DRM protected videos like HBO. Overall, WebCast TV for Chromecast is a great application for streaming online videos to your big screen TV.