Vs. Recorder is an item in the “Gameplay” category (Key Items).
In-game descriptions
| Platinum · HeartGold / SoulSilver · Black / White · Black 2 / White 2 | An amazing device that can record a battle either between friends or at a special battle facility. |
|---|---|
| X / Y · Sun / Moon · Ultra Sun / Ultra Moon · Let’s Go, Pikachu! / Let’s Go, Eevee! · Sword / Shield | An amazing device that can record a battle between friends or the battles at certain special battle facilities. |
Where to find it
Not placed on the atlas maps (so far: Red/Blue and Generation 3).
Sources : PokeAPI (items, item_flavor_text, machines) · atlas · pokeemerald species_info.h