Pokémon Gold and Silver Versions/Features/Pokégear

The Pokégear is received at the beginning of the game from the protagonist's mother. It has several functions, some of which will need to be unlocked during the game by receiving special expansion cards. The Pokégear displays the day of the week and the time of day, entered at the beginning of the game, a map of Johto (and later Kanto) once the Map Card is obtained, a cellphone, allowing the user to make calls to people that they've traded phone numbers with, and a radio which allows the player to get tips from Professor Oak and DJ Mary on Oak's Pokémon Talk, affect how active wild Pokémon are by playing Pokémon March or Pokémon Lullaby on the station, or listen to the  to keep track of the Radio Tower's lottery promotion.