It looks like you want information or documentation about kubridge.skprx — a kernel plugin for PlayStation Vita / PS TV (hacking/homebrew scene).
Here’s a concise breakdown of what it is, what it does, and how to use it. kubridge.skprx is a kernel plugin (SKPRX) for the PS Vita that provides a bridge for running user‑space homebrew that needs certain low‑level functions, specifically for the kubridge library .