It supported a vast majority of the PSP library, including rare regional releases and UMD Video discs. The Role of UMDumper in the Homebrew Ecosystem
: In the context of electronics and device repair, a UMD dumper could theoretically refer to a tool or software used for extracting data from Universal Media Discs (UMDs), which were used by Sony for their PlayStation Portable (PSP) handheld console. UMDs were a proprietary optical disc format used for games, movies, and other content. A "dumper" in this context would be a device or program capable of reading and backing up UMD content, potentially for archiving, transferring, or modifying the data. umdumper