We had what sounded like a similar issue. For us, ALL streams would play for about 5 seconds, then the video would freeze for a fraction of a second and you would also hear an audio glitch (a "pop) and then the video would resume for about 5 seconds and then would glitch again. We were able to fix this. For the Buzz app, I forced-stop. Then cleared cache. Then cleared data. This fixed the issue I described. PLEASE NOTE, that these instructions will also wipe out all saved info like server info, favourites, settings, etc.