More like grey matt.

Yes, this is possible if you connect a PS4.

Unfortunately, no. It is a Smart TV but not an Android TV, therefore no access to Google Play.

No, this is not possible. But if you want to, I recommend Google Chromecast to your TV.

Yes, it is. Gave the TV coupled with two HUE go 👍

Every modern LED TV is also an LED TV. So it doesn't matter.

Yes, there are 3 LED strips on the back (but these can also be switched off completely).