: You can use apps like CPU-Z to check your "Instruction Set" or "ABI." If it says armeabi-v7a , it is 32-bit; if it says arm64-v8a , it is 64-bit. Summary of Performance Expectations Play! (32-bit) DamonPS2 (32-bit) BIOS Required Optional/Included in Pro Ease of Use Game Speed Low to Medium Varies by device Format Support ISO, BIN, CHD