Are there any cheats for Sonic Rush Adventure for the DS

Beat The Third Boss For Blaze
Extra Ending: Get all Chaos Emeralds and Sol Emeralds
Hint: Johny's Locations
In order to acquire all of the Chaos Emeralds in the game, you must race a character named Johny multiple times, winning the races. Here are the seven locations you can find him in:
Northeast of Haunted Ship
Northeast of Southern Island
Northwest of Machine Labyrinth
Northwest of Plant Kingdom
Southeast of Machine Labyrinth
Southeast of Southern Island
Southwest of Sky Babylon
Unlockable: Music & Dialogue
You can find a koala playing a guitar on Windmill Island after beating the boss in Big Swell. By speaking with him, you can listen to all of the in-game music and dialogue, as well as more missions that will unlock music that would otherwise be unattainable.