Hey, I played this game a few years ago (i think) but my account was deleted. I've recently come back and found that allot has changed.
But one thing i noticed is that the gold sprites for the pokemon are rather...bad?
My suggestion is that they could be inproved? I know it would be allot of work, but just a suggestion.
Above is an example of what they could look like, and what the gold sprites look like at the moment.