Switch between Vulkan and OpenGL . Vulkan usually offers better speeds on modern Android chips.
You have the ISO. Now you need an emulator. The two leading options are:
Use an .iso or .chd file. The .chd format is preferred as it is internally compressed but remains playable by the emulator without extraction. Recommended Settings for Smooth Gameplay god of war 1 ps2 iso highly compressed for android best
Use an app like ZArchiver to extract the ISO if it arrives in a .7z or .zip folder.
Standard PS2 ISO files for God of War 1 are typically around Highly Compressed Files : You may find "highly compressed" versions as small as Trade-offs Switch between Vulkan and OpenGL
Having the ISO is useless without the right engine. The PS2 emulation scene on Android has evolved rapidly.
: To save space without losing data, the most recommended format is CHD (Compressed Hunks of Data), which can reduce game sizes to roughly 1/3 of their original footprint while remaining readable by emulators. Now you need an emulator
Click on the link below to download the highly compressed PS2 ISO file: