Android/data/xyz.aethersx2.android/files/memcards/
If your save is in a different format (like .max or .cbs ), you must first use a PC: god of war 1 save data aethersx2
Move the updated .ps2 memory card file to your phone's AetherSX2 memcards folder. ⚠️ Important Considerations Android/data/xyz