available on newer handheld consoles like the Steam Deck or Nintendo Switch?
Street Fighter X Tekken was never officially released for the PlayStation Portable (PSP); it was only released on PlayStation Vita Go to product viewer dialog for this item. PlayStation 3 Go to product viewer dialog for this item. street fighter x tekken psp iso link
If you have the original PSP UMD disc, you can dump your own ISO using a custom firmware-enabled PSP or a compatible PC disc drive (rare for UMDs). That ISO can then be used with emulators like PPSSPP . street fighter x tekken psp iso link