PPSSPP is awesome!

[Devil Master]

While being able to run PSP games in HD was already pretty cool, the addition of Direct3D 9 as a rendering API in version 1.0 really brought PPSSPP to the next level. At this point you may be wondering why, and the answer is that Direct3D 9 is the only API that is supported by every stereoscopic driver in existence! So, if you have the appropriate hardware (either 3D shutterglasses, polarizing glasses+monitor or a VR head-mounted display) and software (either nVidia, iz3D, TriDef or Perception drivers) you can play PSP games in real, stereoscopic 3D, increasing your immersion in a way that cannot be possibly obtained with a physical PSP!

I'm using it on a Windows 7 system, with an nVidia video card, iz3D stereoscopic drivers and a Sony HMZ-T1 head-mounted display, and it's absolutely amazing!