Each character has a distinct, deep move set EGM.Strategy.Guide.
An is the official executable file format used by the PSP. While Sony originally sold classic PS1 games (known as PSOne Classics) in this format on the PlayStation Store, the homebrew community developed tools to convert standard PS1 ISO or BIN/CUE files into custom EBOOTs. Benefits of Playing Tekken 2 via EBOOT: Tekken 2 Psp Eboot
If you do not wish to go through the conversion steps, many community archives host "Tekken 2 PSP Eboot" files ready for download. In this case, the conversion has already been done for you. Each character has a distinct, deep move set EGM