HYDRA Game Development Kit was created in 2006.
To write a game or application for the PSP, you need the SDK (software development kit) from Sony.
You need to buy Dev Kit (Development Kit). A Dev Kit is sort of what game designers use to make their games. But you can also edit game with it. Youtube may be a good source for tutorials, and eBay or amazon to buy a Dev Kit.
Bean Development Kit
It is a kit of JAVA development tools that are normally not shipped with JAVA! MOST companies have "Development kits" for their software - Java is not an exception!
Hit Kit was created in 1959.
Kit's Wilderness was created in 2000.
KIT League was created in 2004.
Kit for Cat was created in 1948.
Kit Hunter was created in 2003.
Kit - album - was created in 2004.
KIT-FM was created in 2000.
The Java Development Kit is free. See the related link below for the download page.