MegaNTR is a project aimed to provide a simple NTR plugin for a majority if Nintendo 3DS games.
All cheat files were intitally sourced from fort42: http://www.fort42.com/gateshark/:
Extract the zip to your 3DS system's "plugin" folder
Open bootNTR Selector and let it do it's thing
Once you're back at the home menu open supported game
???
Profit
Coming soon...