> ads opening Google play automatically from Adsense
Are you sure they are ads, and not the site redirecting you based on your useragent? I've had some sites that have apps do that, but I've never had an add automatically direct me to the Play store before.
It debuted when Google added the ability to do direct link ads to Google Play. And it's been on larger sites that use Google AdSense to fill excess inventory.
Yes. I ran into this problem with one of my websites. Turns out, a lot of websites in NL were having the same problem. I guess it's coming through one of the thousands of other advertising networks that are using the Adsense auction.
It's still happening now and then, so Google is fixing the problem in the wrong place.