When will Pokemon heartgold and SoulSilver come out in eBay or Amazon?
HeartGold and Soulsilver will release in Japan in September of 2009. The games have not been announced for release in the USA yet. Most likely, they will come out in early 2010.
Will the PokeWalker be released in America in the same package as the Pokemon HeartGold and SoulSilver games?
Right now, April 24th 2010, there are no Pokemon games that come AFTER heart gold and soul silver, in terms of a sequel series. Heartgold and soulsilver, are more based off of the gameboy color game, Pokemon crystal, where they first introduced selection of your gender, and a lot of twinks, that crystal had that Pokemon gold and silver did not.