Due to technical limitations and hardware constraints, multiplayer was never implemented for the Vita. Stardew Valley Forums Performance Review
The Stardew Valley VPK is more than a quirky mod. It is a statement about digital preservation. The Vita’s storefront is partially closed; physical carts are becoming collector items. Yet, because a handful of developers reverse-engineered a port, a piece of gaming history continues to function on its ideal form factor. stardew valley vpk
is the standard file format for installing homebrew and games on a hacked PlayStation Vita The Vita’s storefront is partially closed; physical carts
The short answer: The PS Vita’s hardware (512MB RAM) cannot run the 1.5 update. The game’s logic for Ginger Island, new NPCs, and the expanded world requires more memory than the Vita can allocate. The community has tried porting the Android version to Vita via VitaGL , but performance is abysmal (10-15 FPS). The game’s logic for Ginger Island, new NPCs,
Are you looking to install a specific port on your Vita, or are you trying to extract text assets from a VPK file?
The Stardew Valley VPK is a time capsule. You are playing a version of the game that exists before the "golden age" of updates. You lose Ginger Island, you lose Leo, and you lose multiplayer.