NJ has just released a new beta version of his NeoGeo (non-cartridge type) emulator for PSP. Unfortunately, we were unable to interpret the features/fixes in the new beta; if you understand Japanese, go ahead and check out NJ's website below for more information. What we
can say from experience is that the new beta is incredibly improved, and offers quite a noticeable speed boost in a lot of ROMs over the old version, so go ahead and check it out. Great work NJ!
Download NeoGeo Beta 2 from PSP 3D
here.
Check out NJ's official release website
here.