GameSpy GBA

Review, by Phil Theobald: "The excellent control and stage design mixed with the clever puzzles make this one of the better (and certainly one of the most thought provoking) platformers available on GBA." [Score: 4 out of 5]
http://gba.gamespy.com/gameboy-advance/klonoa-2-dream-champ-tournament/591174p1.html

GamePro

Review, by Four-Eyed Dragon: "Dream Champ Tournament continues the Klonoa puzzle adventuring tradition in fine form."
http://www.gamepro.com/nintendo/gameboy_advance/games/reviews/42448.shtml

1UP

Review, by Jeremy Parish: "Despite the iffy music and the fact that the action tends to become somewhat monotonous in large spells, Tournament is a top-notch addition to the GBA library." [Score: 8 out of 10]
http://www.1up.com/do/reviewPage?cId=3138570&did=1

GameFAQs

Data, FAQs, cheats, reviews, and a message board.
http://www.gamefaqs.com/portable/gbadvance/data/563078.html

IGN Game Boy

Review, by Craig Harris: "In all honesty, other than a new string of platform level challenges, Klonoa 2 doesn't really attempt to be any different than the original game that shipped more than three years ago on the platform." [Score: 8 out of 10]
http://gameboy.ign.com/articles/590/590412p1.html