Tizi is a fully-featured Android backdoor with rooting capabilities that installs spyware apps on victims’ devices to steal sensitive data from popular social media apps. Google has identified 1,300 Android devices infected by the Android backdoor and removed it. Google Play Protect is a security feature that uses machine learning and app usage analysis to check devices for potentially harmful apps. So far, Google has been working to detect and remove malicious apps from your devices using its newly launched Google Play protect service.
Source: https://thehackernews.com/2017/11/android-spying-app.html