Why is GS on That?

The title "GS" stands for "Gold and Silver". I am not sure why there are the letters "GS" on unique Pokémon items but it is probably because they have some thing to do with the games "Pokémon Gold and Silver"

The "GS Ball" on the TV show couldn't be transported probably because the pokémon inside, could escape during the process.

Pokémon Pikachu has "GS" on it because it was designed to send speacial stuff to Pokémon Gold and Silver".

Pokémon Stadium 2 has "GS" on it because it is compatible with "Pokémon Gold and Silver" and the new "Pokémon Crystal"

Pokémon Crystal has "GS" on it because it is the squeal to Pokémon Gold and Silver.

There probably won't be any more things with GS on them.

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