Mobile technology is evolving fast. We have seen incredible leaps with and Skyline/Yuzu (Switch) on Android. While a native PS3 emulator for Android is inevitable, it will likely require: Snapdragon 8 Gen 4 or higher. Massive optimization for Vulkan shaders.
There are a few PS3 emulators available for Android, but not all of them are created equal. Here are some popular options: ps3 emulator bios for android exclusive