Holo Caster appears in 2 version groups since Generation VI, a Gameplay item in the Key Items pocket
PokéAPI item 734 of 2,223, Gameplay category, Key Items pocket
Effect, in PokéAPI's words
Holo Caster: “Displays cutscene conversations as the plot advances.”
Games
Holo Caster is listed in the text of 2 version groups, first in Generation VI
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
X and YSword and Shield