Hey You, Pikachu! review. Classic Game Room presents a CGR Undertow review of Hey You, Pikachu! for Nintendo 64 developed by Ambrella and published by Nintendo. One of only two games to utilize the N64's VRU (Voice Recognition Unit), Hey You, Pikachu! drops you in a corner of the World of Pok mon and introduces you to a Pikachu who's all ears.