Pokemon Go prompts Saudi Arabian clerics to renew fatwa against franchise - CNET. Sinnoh Stone Evolutions - Leek Duck | Pokémon GO News and Resources. Upgrade and how to obtain it. Evolve Porygon Pokemon Go, How to Get Upgrade Item. NEVER WORRY about ITEM BAG SPACE again! (ITEM BAG Management in POKEMON GO). How to get an Upgrade in Pokemon Go to evolve Porygon - Dexerto. Pokémon GO Evolution Items. Pokemon Go: Evolution Items and How to Use Them - YouTube. Pokémon GO - How to Evolve Porygon, How to Get Upgrades and Sinnoh Stone. How to use Pokémon GO evolution items Metal Coat, Sun Stone, Dragon Scale, Upgrade and King's Rock.