Very efficient, PPSSPP is a free Sony PSP emulator (for Windows, Android and others via SDL) written in C + + by Henrik Rydgard (well known under the pseudonym Ector, already author of the PSP emulator Potemkin and best known for Dolphin, having also worked on a number of Dreamcast emulators).

Changelog:

New JIT backends:
– RISC-V, based on IR
– x86 JIT based on IR. Often faster than the existing one.

Input fixes
– Improve behavior when analog and digital inputs clash ([#17960])
– Combo mapping is now disabled by default ([#17673])
– Android: Better tracking of devices names ([#17562], auto config)
– Fix mapping custom touch buttons to analog inputs ([#17433])

Rendering performance and fixes
– Fix flicker in WWE Smackdown vs Raw 2006 ([#18009]), video flicker in Naruto 2 ([#18008])
– Fix bad colors in Syphon Filter: Logan’s Shadow menu ([#17965])
– On lower-end devices, avoid « uber » shaders due to performance and driver bugs ([#17449], [#17922])
– Allow disabling V-sync on Android with Vulkan, more SDL platforms ([#17903], [#18087])
– On Vulkan, reduce input lag when « Buffer graphics commands » is set to off ([#17831])
– Assorted minor perf ([#17810], [#17505], [#17478], [#17471], [#17452], [#17446], [#17442])
– Fix shadows in MotorStorm ([#17602]) (not actually a rendering problem)
– Fix rendering issue in Lunar Silver Star ([#17451])
– Add a cache for MakePixelsTexture, improving perf in God of War ([#17534])
– Lots of software renderer improvements ([#17571], [#17569], [#17619], [#17621], [#17618], [#17609], …)

Networking
– HTTPS support now enabled in store and for RA on Windows, Android, Mac, iOS ([#17744], …)
– Ad-hoc: Fix for Metal Gear Acid issue with Link Battle ([#17947])

Texture replacement fixes
– Fix Tactics Ogre texture issues ([#18001], [#18011])
– Fix problem with anisotropic filtering ([#17930])
– Fix glitches on D3D11 with KTX2 textures ([#17749])

UI changes
– Color emoji support on some platforms ([#17854], [#17856])
– Use TTF fonts on SDL where available (macOS, Linux/Steam Deck) ([#17844]), support HiDPI ([#17651])
– Allow setting the PSP’s MAC address directly ([#17755])
– Better looking notifications ([#17606], [#17674], [#17672])

Cheats
– Fix loading cheat dbs on Android devices with scoped storage ([#17834])

VR (Quest, other Android VR devices)
– Cinema screen mode improvements ([#17704], [#17752])
– Quest-only passthrough mode ([#17591])
– Cleanups, compatibility fixes, make VR settings per-game ([#17636], [#17656], [#17598], [#17518])

Other
– Fix horrible audio glitch in After Burner ([#18076])
– Emulate the vrnd instruction accurately ([#17506], [#17549])
– Fix timing issue causing slowdowns in MLB games ([#17676], [#17677])
– UWP keyboard support, many other updates ([#17952], [#17974])
– Allow choosing the display resolution on Android again ([#17473])
– Fix issue running some file types out of the Download folder on Android ([#17466])


https://www.ppsspp.org/