A tool capable of editing the DS filesystem. Requires .NET but usually works where NDStool (which is used by DSLazy and DSBuff) fails to rebuild the rom into a working one).
The New Version from the cool Skin!Moonshell 2 Skin (For Moonshell 2.00 Beta X,Moonshell 2.00 Stable,Moonshell 2.01 Stable,Moonshell 2.02 Stable)Windows 7 Skin for R4i-SDHC + R4-SDHC UpgradeUpdate:Windows 7 Skin Update with a little Skin Update!
@Xdqwerty, Osu! Tatakae! Ouendan! is the Japanese version of the game, different settings/characters/songs but otherwise identical mechanics. I played that before I knew about Elite Beat Agents lol. Both fantastic games https://en.wikipedia.org/wiki/Osu!_Tatakae!_Ouendan