Yes, they're in the game. It's in a nearby town next to the town where the River Rat and Riverside Motel are located.
Utopia Euphoria is mainly used for the sex-streaming activity! That’s why these specific vibrators and such have the description “long-distance” in them as opposed to their counterparts in the Porn Shop. They’re meant to be used like Lovense (a real-life brand) toys so that viewers can tip to control them.