A minor quip with the current card maker, is that you can't have 5 energy attacks. While I realize this is styled after the WotC-Era cards (Thus why I won't complain about the lack of 3+ attacks, Dragon, Fairy, or Mega Evolutions, as well as the capabilities to display symbols such as EX or (Star), especially since I can't provide any help fixing those), there were a few cards, mainly Shining Pokemon, that did have 5 Energy Requirements for their attacks. Then again, they only ever had that one attack, but I'm sure there's some way to make that work.
Like I said, more of a minor quip, but one I'd like being fixed.
Oh, yeah, and the lack of Trainer cards, but eh, don't mind that too much.