Google has changed the way it manages apps on the Google Play Store. The search engine giant announced on Tuesday that it has started employing humans to review apps before they go live. Google is also rolling out age ratings for apps, which will be based on data from the International Age Rating Coalition (IARC), Entertainment Software Rating Board (ESRB), Pan-European Game Information (PEGI) and more. “Unrated” apps “may be blocked in certain territories or for specific users”
Source: https://thehackernews.com/2015/03/google-play-store-app-review.html