This is Pokemon Sun the Nintendo 3DS video game from 2016. It is in excellent condition.

Choose one of three new partner Pokemon that will accompany you as you set out on an all-new adventure and discover new Pokémon and regional variant Pokemon in the Alola region. Catch and train Pokemon as you encounter captains, and kahunas of the 4 main Islands of the region. Discover the mystery of the Legendary Pokémon while stopping Team Skull from causing chaos throughout the land.