Hello @jennclay
Thanks for reaching out here in the Community!
The Roku mobile app is a free application for iOS® and Android™ devices that turns your mobile device into a control center for your Roku streaming device. If you’re looking for instructions on how to set up the Roku Mobile App, use the link How to install the Roku mobile app
Hope you'll find this info useful. Let us know in case you've still got any questions.
Regards,
Karla
