Nevertheless, I'm very satisfied that they're using emoticons and not emoji.
[1] https://developer.mozilla.org/en-US/docs/Web/Accessibility/A...
[2] http://kaomoji.ru/en/
"Kao" is the japanese word for "face" and "moji" is "character".
That said, I don't think there's a "correct term" yet for these things. That's just what some people call them.
[1] https://developer.mozilla.org/en-US/docs/Web/Accessibility/A...
[2] http://kaomoji.ru/en/