Hopefully this will also improve streaming with less resources needed etc.
For watching streams, I don't actually WANT an app, because customization with the FF Add-On Stylish is pretty neat.
CPU: Intel Core i7-4770K + Alpenföhn Matterhorn Pure
Mainboard: ASUS Z87-Pro
RAM: 2x8GB Corsair Vengeance LP
GPU: ASUS GTX1070 Strix OC 8GB
PSU: Corsair TX650M
Case: Thermaltake Chaser A31