MobileGo is an app by wondershare and the only people I've ever heard say anything good about wondershare apps are shills/wondershare employees who join forums specifically to promote/spam the app.
Whilst I've no personal experience of Norton Mobile security, I'm not a fan of Norton products in general. What exactly is it you're looking to use Norton for?
If you're looking at the AV capabilities, you don't really need AV on Android. Just be careful with what you install, only install apps from legit app stores and be mindful of
app permissions. If you want to be extra sure, this should help keep you safe:
https://play.google.com/store/apps/details?id=org.malwarebytes.antimalware
The remote lock, wipe & locate stuff, Android has that built in:
https://www.google.co.uk/android/devicemanager
Does that help?