The version suffix 20090417 identifies this as a specific release from .

plug-in system, allowing users to start arcade games on PSX-based hardware using 3D hardware acceleration rather than standard software rendering. Enhanced Visuals: The emulator supports Pete's OpenGL2 (PeteOGL2)

Given the specificity of your request, it seems you're looking for a download link to an emulator or a related tool that combines elements of PSX (PlayStation) emulation with MAME, possibly for a specific version released on April 17, 2009, and packaged in 7z format.

Certain games cannot use advanced plugins like PeteOGL2 and must rely on older ZiNC or MAME renders. Specialization:

This specific version was hosted and popularized by , a well-known repository for emulator builds and updates. It was designed to bridge the gap between standard arcade emulation and the specific performance needs of 3D-heavy arcade titles. Release Date: April 17, 2009 (distributed April 18).

: Current versions of MAME (0.260+) have integrated all the specialized optimizations that PSXMAME once pioneered. Modern hardware can now run these games with far better accuracy and performance than a 2009 custom build.