During of the Pokémon Festa 2019 from May 3rd, 2019 to May 12th, at the Starfield Hanam Store, Coex Mall, showing Let's Go Pikachu or Let's Go Eevee or PokéBall Plus each will award you one serial code.
Shiny Pikachu can only be redeemed on Let's Go Eevee.
When this gift is redeemed on a non-Korean languaged save, the Original Trainer name may be displayed as question marks.
Format Ver.1.0.8-3b4, Post Updated Date:20191101_0403
What can be done with these files
PKM creation with PKHeX (drag & drop the wondercard file in the spot where you want the Pokémon)
In-Game Mystery Gift redemption with Switch Gift Data Manager