So, if you lose the remote. . . Get the app: The Roku mobile app is free for both iOS (Apple) and Android devices and will turn your phone into a control center for both your Roku TV or streaming player. ... Get to the remote: The Roku mobile is very robust and offers tons of other features besides channel surfing.
How can I control my Roku without a remote?
To use your Roku player without a remote, download the Roku app on your smartphone or tablet. Connect the device with the app to the same WiFi network as your Roku player. Then select Devices in the app and tap the remote icon.