Nice game. The controls didn't take too long to get used to, the game was nowhere near as repetitive as the original pokemon games, and the boss battles were unique and interesting. Oh, and the voice for the professor was superb.
Now, a little criticism. I personally found that the faster pokemon tended to be better than the rest. I used wingull throughout almost the entire game from the moment I caught one, for example.
You had a pokedex available, but nothing for the different moves. Not a big deal, but a little inconsistent. It would be nice to know that bite was a regular move, not dark, for example.
Lastly, I'm a little curious on the stuff that I missed. I'm guessing that the secret medal must be for magic-carp? I also never figured out how to make the giraffe immune to bugs or dark moves.