It looks like you're referring to a specific patched version or mod related to Pokémon: Let’s Go, Eevee! — possibly involving “Proms Lab 4011r” or a similar custom patch. While I don’t have direct documentation on that exact patch, here’s a general-style explanatory text based on your keywords:
Options > Manage Installed Titles > Install from NSP.While no official “Proms Lab” exists in mainstream modding repositories (like GBAtemp, Project Pokémon, or ROMhacking.net), the handle resembles: pokemonletsgoeeveenspromslab4011r patched
Have you seen a similar suspicious keyword online? Report it to Nintendo’s anti-piracy team or your local cybersecurity authority. Stay safe, trainers. It looks like you're referring to a specific