This refers to the act of acquiring a modified version of the original Pokmon Emerald game, often altered to provide a different gameplay experience, and saving it as a ROM file for use on emulators. This process typically involves searching online for a readily available file, and using file sharing or direct download mechanisms to obtain it. The legality of this practice can be complex, depending on copyright laws and the use case of the downloaded ROM.
The appeal of such modified game files lies in the altered gameplay, which can include enhancements such as increased difficulty, new storylines, different Pokmon distributions, or improved graphics. Historically, ROM hacking and modification have been a popular way for fans to extend the life and replayability of classic games. It allows a community to build upon existing intellectual property and cater to niche interests within the gaming audience.