NOTE: FreeCast does not currently have an app available on Roku devices. However, you may be able to view FreeCast on your Roku device through casting or screen mirroring, depending on your device.
To cast or mirror to your Roku device just follow the instructions below.
Make sure your mobile device and Roku device are connected to the same Wi-Fi network.
Go to System Settings.
Select Screen Mirroring and choose Enable Screen Mirroring.
Next, visit the notification tray on your smartphone or tablet device and select Screen Mirroring or Smart View.
Choose which Roku device you want to connect to and start enjoying FreeCast!