Move your desired font files to ux0:data/font/ (you may need to create this folder).
For those using their Vita primarily for emulation via RetroArch, using a classic Nintendo or Sega-style font package can help unify the retro gaming experience. How to Install Custom Font Packages ps vita firmware font package best
The Ultimate Guide to the Best PS Vita Firmware Font Packages Move your desired font files to ux0:data/font/ (you
High-contrast sans-serif fonts often look sharper on the Vita’s 544p display. select the package
To install these, you will primarily use the homebrew application by vitasdk or GrapheneCt .
Run your Font Installer app, select the package, and follow the on-screen prompts to replace the system's ltn0.pvf (Latin) or other region-specific font files.
Ensure your Vita is running custom firmware (Enso 3.60 or 3.65 is recommended).