Pokémon Let’s Go, Pikachu! and Pokémon Let’s Go, Eevee! are the first two main series Pokémon games for the Nintendo Switch. These two games are based off of Pokémon Yellow but incorporate a different, Pokémon GO-mechanic for catching Pokémon, unlike the traditional main series games.
If you’re looking for help getting through Pokémon Let’s Go Pikachu & Eevee, there’s a walkthrough available here on Marriland.com that will help guide you through the games. It’s still work-in-progress, but will be constantly updated until it is finished.