The phrase references the act of acquiring a ROM file of the mobile games Kingdom Hearts Union and Kingdom Hearts Dark Road through downloading. A ROM file is essentially a digital copy of the game data, typically obtained from a cartridge or disk and used to play the game on an emulator or other unauthorized devices.
Seeking such files is often driven by a desire to play the games on platforms other than their intended mobile devices or to preserve them independently of official servers. However, acquiring and distributing these files typically constitutes copyright infringement, as it bypasses the intended distribution channels established by the copyright holders and developers. Consequently, such actions may violate legal agreements and potentially introduce security risks associated with downloading files from unofficial sources.