That page answers all your questions about which devices were vulnerable and for how long.
Note that this article is also currently in the #1 spot on HN.
This coming from Google, a direct competitor, certainly also looks a bit marketing phishy.
After the very recent large scale Google Play malware campaigns were uncovered (like CamScanner) it appears also pretty well timed to distract and divert from Google's own problems.
yet more overly sensational articles that miss the finer details and only serve to fill people up with fear and doubt. le sigh
i know im probably supposed to say its "bad" or "evil" but that doesnt mean i cant be technically impressed, i was one of the poor unfortunate fools to get a system crushed by the CIH virus back in the day but it didnt stop me being pretty blown away at what it did