A free program for Android, by BigQ Group.

If you want to use your smartphone to control your Roku device, our app is exactly what you need. It is an amazing tool that works as a real remote control. It lets you use your phone to control the Roku device and has the ability to mirror the screen to all your Roku devices. This means you can use it on any Roku device and enjoy the same experience. You may share your screen with others, manage your volume, change TV channels, and mirror your screen on your Roku device with this app. Also, you can utilize the Roku Remote Control’s built-in fast keypad to compose text messages on your phone and have them displayed on your TV using the app to control your Roku without having to set it up. Our app is easy to use and simple to install. You will only need to download it and you can now have access to its features. If you are still not convinced, our app is free to use. All you need to do is download it and you can start using it right away.