The Roku Cast app is a useful tool for streaming videos, music, and photos from your phone or other media servers to your Roku-connected Smart TV. With the app's functionality of Roku Remote, you can easily control your Roku device. Additionally, the app offers Screen Mirror and Webcast features, allowing you to stream video, audio, and images with a stream URL.

The app supports a variety of media files, including video files such as Mp4, MKV, MOV, and m3u8, image files like Jpeg, Jpg, PNG, TIFF, BMP, and Gif, and audio files such as Mp3, AAC, WMA, AIFF, FLAC, and OGG. The app also supports Roku Video Cast, Roku Photo Cast, Roku Music Cast, Roku Webcast, Roku Screen Mirror, and Roku IR Remote (Infrared).

The Roku Cast app is compatible with several Roku players, including Roku Streaming Stick, Roku Express, Roku Express+, Roku Premiere, and Roku Ultra. To use the app, you must connect your device to the same Wi-Fi network as your Roku player device or Roku TV. It's important to note that the app is not affiliated with Roku, Inc., and is an unofficial product of the company.

Overall, the Roku Cast app is a convenient way to stream media to your Roku-connected Smart TV and control your Roku device. With its various features and compatibility with multiple Roku players, it's a useful tool for anyone looking to enhance their streaming experience.