LOOKOUT AV FOR ANDROID
If you don't already have antivirus protection for your Android device then check out this little free app.  It has a $30/year premium version but the freebie does alot.  It's available via the "Google Play Store" and will scan everything you download so you can rest assured your downloaded apps won't wreak havoc on your nice little device!  It also scans regularly and can help you locate a lost or stolen phone.
https://www.mylookout.com/
Check out their site for more information.