(Recommended) Homebrew Launcher Loader: this gives you an icon to directly open the Homebrew Launcher otherwise it’s a multi-step process involving opening Download Play, using a button combo, and selecting a specific menu item.

(Recommended) FBI: allows you to install CIA files.

(Recommended) DSP1: allows homebrew applications to have sound.

Under Finalizing Setup, all of the steps are optional.

This is a prerequisite for anything mentioned on this page.

Once they’re installed they can be deleted from the SD card. They are installed using a tool called FBI (see below). These are files containing software (or games) packages specifically for the 3DS.

These are files that can be run using the Homebrew Launcher.Individual games can be installed to the home screen if desired (see New Super Ultimate Injector below).Decent battery life and official replacement batteries are still available for purchase.Uses a standard micro SD card instead of a proprietary memory stick.Second screen is convenient for emulator menus, logs, etc.Decent build quality typical of Nintendo consoles.The New 3DS models are powerful enough to emulate most 16-bit consoles and some limited ability to emulate Nintendo 64 and PlayStation 1.Powerful enough to emulate most 8-bit consoles.Easily hacked to install homebrew/emulators.Many emulators are only capable of running on a New 3DS.This document mostly uses the term “3DS” but is also applicable to the 2DS.

New 3ds emulator online