Newer Android phones have auto updated to android OS 6. Brand new phones
are running version 7.
BUT- the bulk of existing (older than 2 year) android phones (AND ANDROID
TABLETS) are running earlier versions and will NOT be updated/supported by
I don’t see good antivirus programs running on android. I have Avast Mobile
Security, on my 1 year-old android phone, which appears to do at least some
real-time monitoring, and scans once a week or so.
I don’t know if this is adequate for older android devices.