So I have a sony xperia tablet z2 16GB (rooted). I enabled the developers option, but there is no 'select runtime' option available. So I checked: 'data/property/persist.sys.dalvik.vm.lib' with text editor an it says libdvm.so, meaning I am on dalvik like you said right?
No I am trying to see if ART is compatible, but where is this lib folder?
Yes It Means Dalvik. lib Folder You Will Find In System Folder.