Apps with 'Twitch Player' feature

Xtra for Twitch is a Twitch client focused on providing the best viewing and chatting experience on mobile devices:

Twire is an open source, ad free Twitch browser and stream player for Android. You can select multiple themes and also login with your twitch account. You can also follow and unfollow streamers through the app.

A mobile Twitch client for iOS and Android with 7TV, BetterTTV (BTTV), and FrankerFaceZ (FFZ) support. Built with Flutter.

Chatsen is a cross-platform application that allows you to chat on Twitch with support for 3rd-party services such as 7TV, BetterTTV and FrankerFaceZ.

Twineo is privacy focused alternative front-end to Twitch.

Stream your favorite video content from your iPhone directly to your PC or Mac.

Chat in multiple channels at once, regardless if the streamers are live or offline, with FrankerFaceZ, BetterTTV and 7TV emote support built-in!