A fishing game released for the Nintendo 3DS by Bandai Namco in Japan.
The game requires a fishing reel with a barcode scanner add-on and had various other products that were sold separately which could be used with the game.

The game software itself was available as a free download for the Nintendo 3DS and had 4 versions for the different systems available to match the add-on required.
The 3DS, 3DS LL, New 3DS and New 3DS LL. (LL = XL)
Scanning the barcode of specific products would creating a fishing location in-game where some unique characters could then be found.