A repack is a modified version of an official game dump. Repackers take the raw game dump, often from a cartridge (in this case, ID PCSE00587), and re-package it to be smaller, more stable, or easier to install. The "repack" process uses specific tools to compress the data, remove duplicate files, and prepare it for installation via a Vita's file manager. The GBAtemp forum features detailed guides on the process, which involves taking the game dump folder, zipping it, renaming the .zip to .vpk, and then using a tool like VitaOrganizer to further compress and "make it safe" for installation.
: Downloading any executable file (like a .vpk ) from unofficial, user-uploaded sources on the internet always carries a risk. While uncommon for Vita games, files can potentially contain malicious code designed to harm your computer or, theoretically, your Vita system. It is highly recommended to have up-to-date antivirus software before handling such files. lego jurassic world pcse00587 v0100 vpk repack