The term is slowly becoming obsolete. Modern emulation tools have surpassed the original hardware:

: You can manually enter "Master Codes" and hex strings found on old archive sites to create cheats that weren't originally included. Nostalgia Factor

Here’s a breakdown of the key related to using GameShark with PS2 ROMs:

While the PS2 era has come and gone, the nostalgia for Gameshark PS2 ROMs remains strong. These cheat devices and ROMs not only enhanced gameplay experiences but also: