SAN DIEGO - Aug. 14, 2009 - The Pokémon Company International and Nintendo of America Inc. revealed today that Pokémon™ HeartGold Version and Pokémon™ SoulSilver Version for the Nintendo DS™ and Nintendo DSi™ systems will be released in spring 2010 in the United States and Europe. These newest entries for the best-selling video game franchise were announced amid the biggest Pokémon video game event of the year and in front of the top Pokémon video game and trading card game players in the world at the 2009 Pokémon World Championships.