To change Furfrou forms in Pokémon Go, you'll need to use Candy and Stardust. The Furfrou Trims available to you depend on what region you're currently in.Basically you can pick up the Pokemon from any region and then take it to the said region is needed for its change form. Select the Furfrou that you wish to trim, and you'll see a Change Form button under the Power Up button. The "Change Form" button is much like the "Evolve" button in Pokémon GO. It will cost you Stardust and 25 Furfrou Candy. You change Furfrou's form the same way you'd evolve another Pokemon: with Candy and Stardust! It costs 25 Candy and 10,000 Stardust to change the form. From there, select Furfrou in your Pokémon storage, and then tap Change Form to see the available Trims. From there, select Furfrou in your Pokémon storage, and then tap Change Form to see the available Trims. Player can answer a series of questions which determine the outcome of Furfrou's form.