What makes Greenify , which tells your apps when to go to sleep, such a useful app for Android diehards is that it remains useful on non-rooted devices. That, as well as the additional functionality the app gained over time, is thanks to Android ‘s accessibility services, but it’s because of those services that Greenify now finds itself on Google ‘s bad side. That’s what we learned from Greenify developer Oasis Feng, who took to Google+ to share that he received a 30-day notice from Google about the potential “misuse” of accessibility services in Greenify. In the post, Feng acknowledged that there are negatives to the use of accessibility services, such as performance lag and becoming a target of malware. On the flip side, Feng equates accessibility services to Android’s version of Pandora’s box, since they let you set up automation of certain tasks, trigger global actions, and overlay your screen. As we’ve seen with apps like LastPass, which has also...