CM Security here + Heartbleed Detector, I did have MBAM installed but I really don't need it so I un-installed it.
Nothing as it not needed on Android if you only use play store & don't install apk's from dodgy sites, just a waste of resources really.
We need a new poll, I'm using CM Security instead of Lookout now. It has plenty of other features that are more useful than the AV scanning, so I'm keeping it.