Compatibility Īs of March 2017, 984 games are playable in PPSSPP, while 67 games load to some frame of in-game state. The Qt frontend is able to support all officially supported platforms and is the suggested alternative if no native interface exists. The Qt frontend was instrumental in adding support for platforms such as Symbian. To aid with the portability two cross-platform development libraries, SDL and Qt, are able to be used in addition to the non-portable Blackberry, Android and Win32 interfaces. Although the port was abandoned, the support code remains, offering support for big-endian CPUs and DirectX compatible GPUs. There was at one stage a port for Xbox 360. The source code also unofficially supports a wide variety of operating systems and platforms, including Raspberry Pi, Loongson, Maemo, Universal Windows Platform ( Microsoft Windows 10 Mobile, Xbox One, Microsoft Windows 10 (X86_32, X86_64, ARM and ARM64)), Meego Harmattan and Pandora. While initially only supporting Microsoft Windows and Android, this quickly grew to include Blackberry 10, Symbian, macOS, Linux and later iOS. Since its inception, PPSSPP has had a focus on portability with support for multiple architectures and operating systems. PPSSPP also supports the Vulkan API, which was added in v1.5.4 release and is intended to provide a substantial performance boost on supported devices. All ports of PPSSPP for mobile devices support the use of accelerometers, keyboards and gamepads as input devices. The ports of PPSSPP for mobile devices offer additional features specific to each platform, such as 'immersive mode' for Android devices, support of the multimedia buttons within Symbian devices and screen stretching on BlackBerry 10 devices to support square screens. PPSSPP offers graphical features that are enhancements over the PSP's capabilities, such as higher screen resolutions, antialiasing, image scaling, support for shaders, and linear and anisotropic filtering.

To decode PSP multimedia data PPSSPP uses the FFmpeg software library, which was enhanced to enable it to handle Sony's proprietary ATRAC3plus audio format as used by the PSP. PPSSPP supports save states, dynamic recompilation ( JIT) and has rudimentary support of ad hoc wireless networking.

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