If you have a 3DS with installed, following a QR code is the fastest installation method: Open FBI on your 3DS. Select Remote Install . Select Scan QR Code . Point your camera at the screen.
If you are looking for codes to progress through the actual game, these are the most critical: How to install ds games directly to 3DS homescreen chrono trigger ds rom qr code better
The "better" experience avoids QR codes entirely. Use a standard PC browser, search for the "No-Intro" ROM set (a preservation standard), verify the SHA-1 hash, and transfer it via USB. If you have a 3DS with installed, following
Most community reports suggest the DS port is the definitive version for several key reasons: How to Play DS Games on 3DS Homebrew Point your camera at the screen
A more accurate translation that stays truer to the original Japanese script while removing some of the SNES-era censorship.