What makes you think you need all those apps?Quick question here,
I am using Avast Free on my old Xeperia Z and I wanted to ask some protection like HitmanPro.Alert for Android? or Thor Foresight or Premium or security apps that can suffice?
Why makes you think you need all those apps?
I do download APKs from outside (PC) as my internet is not good (cheap ISP) so I download via Google Play outside using,Unless youre constantly downloading APK files or cracked software youre fine, simply disable Install from unknown locations.