I’m pretty sure either one of the recent episodes of Lower Decks, or the episode of TNG with that guy that doesn’t look like Tom Paris, had a minor character that was some kind of junior captain, with three full, and one hollow pip
If we actually had this ability, our lives would be crazy. You can just beam yourself an entire lifetime as your D&D character, or in your favorite video game or novels. And then just be back.
The games presented the Rotom Pokedex like it was a big technological breakthrough, so I assumed what that means is they were able to miniaturize whatever Rotom required to go into a machine, and put it in the Pokedex, and then your phone.