I do not understand what you mean by Nemo preinit?? Nemo (Like SailfishOS) do not use /sbin/preinit* on the Harmattan root partition, instead they use /sbin/init from their own partition...
G_OS1_NUM=3 G_OS1_AUTOBOOT=0 G_OS1_PARTITION=3 G_OS1_NAME="Nitdroid"