Make a new note, run the doodlebomb installer and choose your region. That latest note will turn into the doodlebomb note. (Could you send me the note FC:0018-5383-9702)
O3DS you install soundhax and download the doodlebomb install.3dsx and run it on the homebrew menu. For 11.4 (like me) You have to get specific files into a new file called doodlebomb on the root of the system. Here's a video that goes into detail.