Open the emulator -> Settings -> BIOS -> Select the folder containing your BIOS file. If the emulator says "BIOS not found," you will get a black screen on boot.
Because DamonPS2 is not on the Play Store for 32-bit anymore, you must download APKs from third-party sites. This is dangerous. Many files labeled "32-bit Pro Unlocked" contain malware that steals SMS or contacts. Only use trusted repositories like GitHub or APKMirror. emulador de ps2 para android 32 bits best