PPSSPP is a emulador with which you can run video games for the PlayStation Portable (PSP) of the Japanese company Sony on your Linux system. This emulator is written in C ++ and aims to bring all the fun of PSP games to PCs running Linux operating systems. In principle PPSSPP is a free software project that is available for different platforms, also for Android, Megoo, Symbian, iOS, Windows, Mac OS X and Blackberry 10, so not only Linux users will be able to enjoy it.
PPSSPP deals with emulate the Sony PSP CPU on your PC, optimizing the MIPS microprocessor instructions on your computer. The chip that integrates Sony is an Allegrex based on the 32-bit MIPS4 Rk-32 architectures and therefore the PPSSPP software will try to trick the games you install into making it appear that they are being played from one of these devices.
If you want to download it, you can do it from the official website of the project, where you can choose the type of platform you use to Download the appropriate one in the download area, you can even download the source code of the PPSSPP. The packages for Linux they are available for i386 and AMD64, being able to choose between a compressed file in ZIP or a tarball .tar.gz. In either case it is not more than 5MB.
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Source - gamingonlinux