You must have VitaShell and Henkaku installed.
A few years ago, hackers managed to run a very stripped-down version of Linux (Ubuntu) on the PS Vita via a project called "vita-linux." In theory, you could install a Linux web browser and use WhatsApp Web . In practice, the performance was abysmal (1-2 FPS), Wi-Fi drivers were broken, and touch input didn't work. This project is essentially dead and not practical for real use. whatsapp for ps vita
Porting WhatsApp to a modified PS Vita is incredibly complex due to how the messaging service operates: You must have VitaShell and Henkaku installed
Standard WhatsApp Web will not load via the default browser. the performance was abysmal (1-2 FPS)