I have Prime and the Amazon Instant Video app on a Roku 3. I rented one movie on it right after I got it (about two years ago) and haven't used it since then, b

I have Prime and the Amazon Instant Video app on a Roku 3. I rented one movie on it right after I got it (about two years ago) and haven't used it since then, but my girlfriend uses it once or twice a week and hasn't ever complained about it.