I don't actually have pokemon heartgold, but i have soulsilver and it's pretty much the same in every pokemon game. Simply go to the Pokemon centre, go to the thing that looks like a PC and press A. Then go on Someone's PC (or if you have done something in the game , cant remember what it will come up as [someones name's] PC)
After that, go onto deposit pokemon and choose which pokemon from your party should go into the many boxes in the PC. Simples!
put geodude as the party leader
Yes you can if you have Mew in your Pokemon SoulSilver/HeartGold You can put Mew in the Pokewalker.
Aura Beam is in Pokemon HeartGold.
That is impossible in Pokemon HeartGold and SoulSilver.
you can only do that in pokemon soulsilver and heartgold...sorry! hope this helped
I put a link to a guide all about legendary pokemon in HeartGold in the related links.
Yes you most definitely can
If you put it on certain Pokemon and trade it, it will evolve.
You can't put a Pokemon in the pokewalker in Pokemon platinum, as the pokewalker was designed for only Pokemon Heartgold & Soulsilver.
AR is used the same on Heartgold as it is with any other game, you put AR in, then it will ask you to put in Heartgold. Follow Instructions xD.
go to the pc
You can't. You have to put Pokemon in the blue thing in the Pokemon center (the PC).
put two Pokemon in the daycare 1 female and 1 male
put your Pokemon you want to walk with you first in your party.
yes. just put a male and female Pokemon in the day care and the girl will have an egg. or put a ditto in with an evolved Pokemon
No, only Diamond & Pearl; not even Platinum works on Ranch.
There is no best Pokemon on Pokemon HeartGold.