The Pikachu with the hat isn’t growing friendlier toward me. The special Pikachu gets friendlier toward you only if you track your sleep using your Pokémon GO Plus +. Related articles How can I get more Pikachu cries? How many sleep sessions tracked by Pokémon GO Plus + can I report at once? Where should I place my Pokémon GO Plus + when I track my sleep? Pikachu’s cries were unlocked from the beginning. Is this a bug? Can I use both Pokémon GO Plus + and Poké Ball Plus?