Not necessarily smaller, just barely shifted so that there's a more respectable space between the P and the bottom of the y...
I like it in general; I just thought it looked a bit off, given that the human hand has all the shadowing and whatnot and the blue hand is...well, cartoonish
Not a big deal, it was just food for thought
I would prefer her slightly off-center (like, over to the right a bit) and a bit more of the blue arm--but, that's just a preference, and as I said, I'm not sure what the hell I'm talking about.
(I think she's a good size.)
Just some dumb thoughts, nothing you should take too seriously, and all suggested adjustments would be...small...hopefully