ninjhax is the an exploit by smea for the game Cubic Ninja. It was released on November 20th, 2014.

When triggered, it will boot a 3dsx-file from the sdcard root called "boot.3dsx". This file is usually the Homebrew Launcher, which in turn can be used to launch other games/apps from the (micro)SD card.

Installation

Visit here for instructions on how to install Ninjhax!