My 6yo has started playing very simple games on the TV using the remote control. There are classic arcade clones, chess and some more modern 3D games. Everything is very unbranded and basic, which made me suspicious. I had to factory-reset the TV at some point, and this meant I saw the privacy policy/T&Cs page for these games (that my son would normally skip through). Reading them, I saw a reference to something called Bright Data.
In our house we run NextDNS, which blocks intrusive ads (in fact it's great at removing the cr*p on the homepage of the Smart TV). I was curious about Bright Data so looked them up, only to find them advertising their 'proxying' and 'scraping' services very proudly. I wasn't sure it was the same company so I checked the NextDNS logs to see if they appeared. They were top of the list of most-blocked destinations. Meaning, NextDNS was blocking thousands and thousands of outbound requests from the TV out to the internet, including at times when no-one was playing games or even using the TV.
Short version of what I discovered: This company has placed free games on the LG app store that, when installed, turn your smart TV into a proxy server that is then used as a VPN tunnel for their customers. In other words, you are having other, anonymous people's internet traffic routed through your home, and there's zero control or regulation of that traffic.
For a "you are the customer" moment, they advertise their "residential proxies" and attract reviews for the service: https://multilogin.com/blog/bright-data-review/
Others have noticed this, too (www.reddit.com/r/VPN/comments/1983e7l/free_vpns_reselling_user_bandwidth/) but I wanted to post here because these games appeal to kids, and they're never going to read Ts and Cs.
Beware!