The better media streamers, like Roku and Apple TV, have Amazon Instant Video (or iTunes), along with a lot of other content like HBO Go in the US or Sky's Now TV in the UK. HBO Go is available on numerous streaming boxes, but the only smart TVs that have it are from Samsung.ehold, the pros and cons of TV apps and media streamers. First, some terminology. A smart TV is one with built-in apps for services like Netflix. Often they have web browsers, games, and other timesinks. A media streamer is something like Roku, Apple TV, Chromecast, Amazon Fire TV, and so on.