The original free Roku Twitch app isntavailable,unless you installed it before Amazon nixed it. However,there are acouple inexpensive Twitchish apps.

One may also ask, how do I mirror my iPhone to my Roku? How to Mirror iPhone to Roku

On your Roku, go to Settings > System >ScreenMirroring. Under Screen mirroring mode, verify that either Prompt orAlwaysallow is selected, indicated by a checkmark. The next step is to download the Roku app from theAppStore. Once a device is found, tap the device to connect.

Also Know, can I stream twitch to my TV?

Watching your favorite games and broadcasters onyourTV just got a whole lot easier. Our new Chromecastsupportlets you send live Twitch video from your Androiddevice,iPhone, iPad or laptop right to your TV. Note:ForTwitch to Chromecast from the web player, make suretoinstall the Google Cast extension.

Is twitch coming back to Roku?

Now the unofficial Twitch app has alsobeenremoved from the Roku Channel Store. The good newsisthere is still a way to add Twitch toyourRoku Player and Roku TV thanks to anunofficialRoku Channel. If you would like to add aRoku,click HERE.