A new exploit has been released to the public, making use of a savegame exploit on the Patapon 2 demo. The exploit works on all firmware versions up to and including firmware 6.20 and on all PSP models, including the PSPgo. According to the dev, the hack was discovered because of a loophole in the Patapon 2 demo with the help of N00b81, m0skit0 and wololo. The dev also promises an e-loader is already in the works so stay tuned.
You can download all the files you need below: