This free app lets you control your Roku device through your Android phone or tablet with its touchpad, and or the controls available which will be shown to the device's screen. It will also allow you to cast to your Televisions through your android device.

How to Use the Roku Remote Control app

To use the app, you first need to install it on your Android device. If you're using a mobile device, open the app, click the "Get started" button, and follow the instructions. If you're using a desktop device, click the "Connect to a Roku TV" button, enter the device's IP address, and click the "Start" button.

To use the app as a remote control, click the "Switch channels" button to change channels, or the "Volume" button to adjust the volume.