Kirby Mass Attack
The following pieces of development text can be found in the ARM9 binary.
The "map" folder in the game's filesystem contains the levels.
Internal Project Name
The project's internal name is "wadogo", according to the following some development text in the ARM9 binary and the filename of the SDAT file, "WADO_SND_new.sdat". The name also appears in the filenames of some press materials released by Nintendo.