A free program for Android, by WangxuTech.

LetsView is a free app for viewing and mirroring your Android, iOS, and PC/laptop screens on your TV. With one click, you can cast your mobile screen to a big-screen TV. You can use it to stream live video and audio, play games, view slideshows, and more.

You can also mirror any videos or movies from your mobile device. It works on Android, iOS, and many PC/laptop models with an Internet connection.

LetsView works with many video and audio streams. It also supports a variety of resolutions.