Chrono Trigger is widely considered one of the greatest role-playing games ever made. Originally released for the SNES in 1995, its 2008 Nintendo DS port is often cited as the definitive version due to its refined translation and extra content.

setting up a specific emulator

Do you need help to run your legally owned backup of the game?

“Chrono Trigger DS ROM QR code link”

Searching for implies you want a ready-to-scan code that immediately downloads the game onto your phone or PC.

Conclusion

Find a Trusted Source:

Look for ROM repositories or "hshop" listings specifically for DS titles (often converted to .cia or meant for Twilight Menu++). Open FBI: Launch the FBI app on your 3DS.

NDS Forwarder Generator

Use a tool like to create a home menu shortcut for it. How to Scan if You Find a Code