A progress bar will appear. Once finished, Vita3K will notify you that the have been successfully installed. Manual Installation (Advanced)
Most games will be fixed instantly. However, a few specific titles might require "libshacccg.suprx" (the shader compiler). If your fonts are fixed but the game still black-screens, you likely need that file next. download font package vita3k
Some games require specific character sets to even initialize. A progress bar will appear
"Mojibake" or random blocks instead of English or Japanese characters. How to Download the Vita3K Font Package download font package vita3k
How to Download and Install Font Packages for Vita3K: The Ultimate Guide
The emulator will automatically extract the fonts and system modules from this file. Installing the Font Package in Vita3K