Fame Checker appears in 2 version groups since Generation III, a Gameplay item in the Key Items pocket
PokéAPI item 549 of 2,223, Gameplay category, Key Items pocket
Effect, in PokéAPI's words
Fame Checker: “Records information about NPCs.”
Records information on various famous people.
Games
Fame Checker is listed in the text of 2 version groups, first in Generation III
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
EmeraldFireRed and LeafGreen