No official "Action Replay" device was released for PSP. The brand focused on PS1/PS2/GC/GBA/DS.
.cwcheat databases. Menu: SELECT + L (configurable).cwcheat.prx in seplugins/, enable in game.txt / vsh.txt.cheat.db or cheatpops.db) to seplugins/cwcheat/.Warning: Online play with cheats risks ban. Use offline only.