Should be on the root of the SD cart. I suggest using the debugger if possible to make dumps because you can choose where to save it.
Works fine with RXTools.
The provided native firm needs to be 10.4 or lower if I remember correctly.
Does the screen flash green when the game loads up? Are you using the correct region of the game? Is your game updated/patched? If it doesn't flash green, there is an error with the cheat plugin itself, making it unable to be loaded.
Yes the screen flashes green when the game loads, I have the right region and the right ID code that I got from 3dsdb.com. I read some posts about this and apparently it's X + Y but even after clicking X + Y I still do not get the menu