Question

In Sun and Moon, how do you make different Pokemon from different regions appear?

Answer 1

Using island scan. Use QR code scanner to scan 10 codes, available online, And press island scan to find a rare Pokemon at the location given. You only get one shot at finding it, so don't goof up!

Comments

This is where you can find the Island Scan Pokémon.
https://bulbapedia.bulbagarden.net/wiki/QR_Scanner#Island_Scan

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Thank you jason.