To start with, there are many screen mirroring apps for Roku. It is an application that is designed to mirror desktop, secondary display or Mac to the Roku devices. If you are a user who is tired of watching your favorite movies and TV shows in mobile phones having a limited charge and small screen then all you need to do is screen mirror the contents on your mobile to a big screen to enjoy watching without any interruption. For instructions about how to screen mirror the contents from mobile to big-screen, visit the official website of Roku. For further clarification on screen mirroring roku, contact our customer support team.