After some more tries I finally rooted my nabi2-UK and successfully installed gapps!
Original files and credit go to jmztaylor from this thread: http://forum.xda-developers.com/showthread.php?t=1905674
New gapps and credit (no "Android Upgradi...
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? | Terms of Service