PS2 emulation is notoriously demanding. To get the most out of Aethersx3, your device needs some serious muscle.
The only semi-official repository is hosted on (GitHub has repeatedly taken down the repos for trademark violation). Search "AetherSX3 GitLab releases" – look for the user "Stenzek-fork" (not the original PCSX2 developer, but a known community maintainer). Aethersx3 Emulator
The core appeal of an emulator like Aethersx3 is . While the original PS2 output at a measly 480i, this software allows you to pump that resolution up to 1080p or even 4K (depending on your hardware), making games from 2002 look surprisingly modern. Key Features to Expect PS2 emulation is notoriously demanding