Doesnt work on smart tv box! Small captions, no sound and slow bug video... Box is 8 core, 6gb ram, 5ghz wifi. Hbo go used to work like charm! This is disaster! Edit: Of course I tried all points from your help page before my comment! My connection is good, my device is 4k enabled. Your app can't run even HD video. I wiped the cache, the data even reinstalled the app. Its buggy and I can't use it!