The Explorer Gadget, a new key item, has begun to roll out globally in Pokémon Go. Below we explain everything we know about the Explorer Gadget in Pokémon Go, as of its global testing release. What does the Explorer Gadget do in Pokémon Go? The Explorer Gadget is a digital version of the accessory devices that auto-catch Pokémon and auto-spin PokéStops for you (like the Pokémon Go Plus+ or the Poké Ball Plus). The Explorer Gadget only uses Poké Balls (unlike the Go Plus+, which can use other balls).