iWebTV actually plays the video on your media player which results in a much higher quality picture than apps that mirror your screen.
Best Casting App! Cast any online video to your TV.

iWebTV™ works with Chromecast® + Roku® + Fire TV® + Apple TV® (4th Gen) as well as smart TVs powered by Roku Fire TV or Chromecast.

*** Feature Highlights ***

• HD resolution supported (1080p and up to 4K depending on the device)
• Advanced browser supports multiple browser tabs blocks or hides spammy popups search from the URL bar ad blocker browsing history etc...
• Subtitle auto-detect + Movie/TV Subtitle library
• Live streams support
• Video preview: up to 72 snapshots to instantly locate your favorite scenes.
• Binge-ready: queue up several videos and enjoy.
• Set your own home page bookmark web page or videos.
• Full playback controls from the app or from the lock screen after exiting the app.
• Privacy modes: anonymous & private