There is no "QR Scanner" menu in Platinum. This feature was first introduced much later in Pokémon Sun and Moon (Generation 7).
If you are playing on a modded Nintendo 3DS, you can use the FBI (File Browser Interface) app to download and install NDS games directly to your home screen. pokemon platinum nds qr code work
By scanning this code within the FBI app's menu, the console downloads the game wirelessly. 2. Injecting Event Pokémon via PKHeX There is no "QR Scanner" menu in Platinum
Official events in Platinum were handled via "Mystery Gift" over the Nintendo Wi-Fi Connection or local wireless. How People "Use" QR Codes with Platinum Today pokemon platinum nds qr code work