Just like poses, V4.2 poses need adjustments to work on Genesis or Genesis 2. Animation is no different... In fact it would seems even worse! And fixing each pose, frame by frame, is just.... Not even an option. But you have invested so much money and/or time in your V4.2 animations!
These scripts will, frame by frame, take the current pose from V4.2, make adjustments, and then apply it to Genesis or Genesis 2. After it is finished, you can then save the adjusted animation in whatever format available to you in DAZ Studio.