for so far i canconfirm this by myself:
Criticals with skills only work with the needles of fighter
Attack speed do work (the animation is faster) but the delay for the next attack does not change if you have more or less attack speed. This means that attack speed buffs (blitz) and attack speed skills (thunder) are very useless to get. Also the instant transmission and ghost kamikaze attack do not work (pointing this out so you do not have to spend/waste SP on them.
I would like to hear more from dende/karma/plasma/dark warriors about the skills and glitches that need to be fixed.