To install (Animal Crossing: New Leaf) as a JPN CIA on your Nintendo 3DS, you must have Custom Firmware (CFW) like Luma3DS installed to bypass the system's region locking . Installation Steps
: Obtain the JPN CIA file. The original game is approximately 696 MiB (Title ID: 0004000000086200 ), while the updated amiibo+ version is about 844 MiB (Title ID: 0004000000198D00 ). Tobidase Doubutsu no Mori 3DS (JPN) CIA
For a hardware 3DS, the primary method involves using the application: To install (Animal Crossing: New Leaf) as a