The official release of Basilisk II for the PSP is here!

Features:

Emulates a Mac II series machine running OS 7.0.1 through 8.1, depending on the ROM used.
Uses UAE CPU emulation, with new SoftFloat FPU emulation for better compatibility.
The PSP memstick can be mounted on the Mac desktop (requires File Manager 1.2).
Supports on-the-fly change of colors and resolution (requires Display Manager).
Has stereo, 16-bit, 44kHz audio (requires Sound Manager 3.0).
Supports emulated floppy and CDROM with removable media (no CD audio yet).
Supports up to four hardfiles for use as fixed drives.
UDP tunnel for AppleTalk networking across WIFI (no general networking yet).
Emulates a Mac Extended ADB keyboard and mouse. Buttons can be remapped on-the-fly, and popular IR keyboards are supported on the Phat PSP.
Supports extra memory and TV out on the Slim PSP.

http://forums.exophase.com/showthread.php?t=8149