: Stands for CTR Importable Archive . This is the standard file format used to install games and applications directly onto a modded Nintendo 3DS SD card using tools like FBI .
The string you provided appears to be a standard naming convention for a . Download Duck Dynasty (USA) | CIA File | 68M
: Refers to the video game based on the reality TV show, developed by Black Lantern Studios and published by Activision. : Stands for CTR Importable Archive