Ok, We may know more about ppsspp, But before Android device went out, Dolphin Emulator is already exits for many years. Dolphin is an open-source emulator for the Nintendo GameCube and Wii with support for Microsoft Windows, Linux, Mac OS X, and Android.
And now Dolphin Emulator is back to google play store after two years, the link is here:
Dolphin was the first emulator to boot GameCube and later Wii games, and now boasts compatibility with most titles for those game systems. With a huge community of developers and users around the world, Dolphin continues to gain compatibility, performance, and new features to this day.