Well, theres always some kind of shenanigans going on in the apps world. I was visiting an incubator last year and one of the companies was working on an app that turned on your phone mic when you were watching tv and attempted to determine what you were watching so it could show second screen appropriate ads on the phone and retarget you later.
There’s A Camera App For Android That Secretly Signs You Up For A Paid Messaging Service
http://www.businessinsider.com/camera-app-for-android-security-hack-2014-3
Usable News.