There's no official Twitch app for Roku devices anymore, so you're better off using another device like an Amazon Fire TV Stick.
Home security cameras are essential to your smart home setup. While you can view your security feed from your smart TV, you must pause your show to check the cameras. But if you have a Roku Smart Home ...
You can mirror your iPhone screen to a TV or Mac computer in several ways, including a hardwire connection or by using AirPlay.