Homebrew coder Mediumgauge is back to release a new version of PSP Filer, a very handy file management application for the PSP. The latest update now supports 7-zip file format.
This Homebrew application lets you unzip,Unrar files downloaded from your psp browser instead of going to your pc. you can also install move,copy any file to anywhere else on your psp. This is one o fthe best psp applications that is abaliable at this time. Enjoy.
Download Link: http://www.qj.net/psp/homebrew-applications/psp-homebrew-psp-filer-v64.html