http://www.howtogeek.com/176392/smart-t ... -smart-tv/
Don't loose your time with their features. By some cheaper model smart tv or a tv with the appropriate entry in the back (hdmi or other) and plug an android tv, chromecast, apple tv or roku device on it (stream players).
Nonetheless, to have some balance, here is a thread which is more indulgent on smart tv:
http://www.tomsguide.com/us/smart-tv-fa ... -2111.html
Personally, the first thread is really more on target. I own a LG Smart TV.
Your opinion, is really appreciated on that topic. It seems that sometime, and maybe often, I could be off target.

Note: Stream players market grows very fast presently. See this comparison of different stream players devices:
http://www.techradar.com/us/news/televi ... r--1239332