Hey Mauritz. We mean to look into this and feedback shortly... do kindly standby.
EDIT: No sign of a Custom ROM for the Vodafone Smart Tab 3G. If willing, then have a look at this:
- https://wiki.cyanogenmod.org/w/Doc:_porting_intro (CM12 = Lollipop and C13 Marshmallow) or this
- http://forum.xda-developers.com/android/development/guide-how-to-port-lollipop-based-roms-t3223938