...The emulator requires a PlayStation 2 BIOS file to function, which must be obtained separately from a legitimate console. AetherSX2 supports extensive customization, letting users fine-tune controls, graphics settings, and resolution to match their device and preferences. It works well with both on-screen touch controls and external controllers such as PlayStation or Xbox gamepads. With its balance of performance, flexibility, and ease of use, AetherSX2 has become one of the most popular PS2 emulators available on Android.