Homebrew developer JJS has ported the Adventure Game Studio runtime engine to the Sony's handheld, giving PSP owners another option to play some good ole' point and click adventure games.
Developer's note:
Do you like classic adventure gaming? Yes? Good, because a whole bunch of indie adventure games are now available for play on the PSP! 
If you are a fan of adventures, you might have come across games made with Adventure Game Studio by Chris Jones. Recently the source code of AGS became open source and this is the first port to a non-PC platform.
This port can run games made with AGS 3.2x only at the moment. This includes commercial titles like Gemini Rue (demo download) and freeware titles like a King's Quest III remake. Another restriction is that only low-resolution games are supported due to the display resolution of the PSP.
A PSP 2000/3000 or Go is required for most games because of the additional available memory. The engine will start on a 1000, but most probably crashes later on because it runs out of memory. Because of this (and since the launcher uses kernel mode), signing the eboot and running on OFW is not recommended.
To run a game, simply copy it into a subfolder of the PSP game. The game data files will then be autodetected and the game is displayed in the launcher menu. If the game was made with a version of AGS that is not supported by the engine, it will display that in the menu too.
For more info about the release, please check out the README included in the file.
