Extracting 3DS ROM Contents for Help

[D2I0]

I want to extract the 3DS ROM contents (animations, models, and so on). How do I do it? Is there a tool or an emulator to use?

Games that I Can Think of:

Super Mario 3D Land
Hyrule Warriors Legends
Metroid Prime - Federation Force
Pokemon X, Y, Omega Ruby, Alpha Sapphire, Sun, Moon, Ultra Sun, & Ultra Moon
3DS Animal Crossing Games