UtilityShell is a shell for PSP which contains several commonly used features.
This was one of the contest entries for the Scenery Beta 2011 (PSP Applications).
It has an image viewer, an application that tells you information about your PSP, remaining battery as well as a file explorer.
D-Pad - Move cursor
Cross - Select option
Circle - Go back
- SceneBeta - https://psp.scenebeta.com/noticia/utilityshell