: A community favorite that brings back "StreetPass" functionality over the internet.
Unlike standard ROMs (which are often .3ds files), a CIA is an installable package. It behaves exactly like a game downloaded officially from the eShop. Once installed to your SD card via a homebrew launcher (like FBI), the game appears natively on your 3DS home menu as a bouncing icon. nintendo 3ds cia best
The CIA format allows you to install games that were never released physically in your region or games that command high prices on the second-hand market. : A community favorite that brings back "StreetPass"