Open the PS2 Save Builder .exe within the Windows environment to create or edit your .max or .psu files.
Because the original PS2 Save Builder (v0.8x) is a legacy Windows application, you cannot run it directly as an .apk file. However, you can use these methods to build and manage saves on your Android device:
The is the modern spiritual successor to PS2 Save Builder. While originally built for the PS2 console, it is a powerful "Swiss Army knife" for save management that many Android users use in conjunction with their emulators.
Most Android users looking for a save builder actually just want to import or export saves for the or NetherSX2 emulators. PS2 Save Builder