The graphics are great, the Disney cameos are pretty awesome, and the familiar and new features make for one great bridge title. Don't be fooled, this isn't Kingdom Hearts III, it's merely the bridge between II and III, taking place in worlds that are either lost worlds in a dream state or a dream version of some familiar worlds already saved by Sora previously. The use of Dream Eaters is awesome, it adds a bit of a Pokemon element to the game, which is really awesome. I don't know what else to say about this one except that it's worth playing if you're a Kingdom Hearts fan, I highly recommend it.
In my opinion, this is about, um, 9999999999x better than 358/2 Days. Being able to play as Sora and Riku is a very good addition. The battle system is very fluid with many special magic attacks. The enemy variation is much better than Heartless. That brings me to Spirits. They're the best part. I've spent 9 hrs working with them, making them, and linking their abilities. The only flaw is it's too short. Long story short: AWESOME!