Email vanthuong.dao2004@gmail.com. Please include your TV brand and model, and the app version (Settings, bottom of the list).
Choose Allow with the TV's own remote. If you chose Deny by mistake, open the TV's device manager (Samsung: Settings → General → External Device Manager → Device Connection Manager) and allow Beamo.
On the Roku: Settings → System → Advanced system settings → Control by mobile apps → Network access → Default.
In Beamo open Settings and tap Restore purchases.