Google tightens up Play Store policy, officially bans "off-market" updates…

Google has made a number of changes to its Android Play Store ecosystem recently.

There’s now a rudimentary anti-virus provided with the OS, a ban on ad blockers, and, most recently, an official policy on sneaky “off-market” updates…

Story added 28. April 2013, content source with full text you can find at link above.