Okay, I'll rundown the post:
Fyill and Erica are in a fight over the remote.
I did a play on words with "Tooth and Nail", so just kinda ignore that, it's to flavor the sentence.
The hands break them up, but Fyill has the remote after the struggle, but she nearly lost it because it sorta' got fumbled out of both of the girl's grips for a second.
Erica, having gotten into a fight, was now in trouble - as you do.
Although there may be some changing stations in the playroom a bit obscured from the actual play floor, Fyill is due for a processing since she's now an occupant, and therefore is being pulled through a port in the wall to head for a specific station where that can occur.
The bit about the sparks is just to sort of instill in the minds of you and readers that the sparks coming off of the hands and remote don't seem to be normal sparks (which are indicative of shorts in the wiring and such) but are somehow related to the remote's powers. So in short, those sparks don't hurt whenever they touch skin, they're more or less a show, a side effect of the remote's powers.
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So that's the essence of what all of that meant.