The only way is to throw away your Heartgold version, buy the original Red version, and play a real Pokemon game.
foroma town
in florma town, when you enter the shop pick a peck of colors flower you will see a girl to the left talk to her she will give you the spray duck.
There is no best Pokemon on Pokemon HeartGold.
there is no Pokemon Mansion in Heartgold.
They are not in Pokemon HeartGold
beat goldenrod gym and then go to the flower shop and get the squirtbottle and thn spray it on the sudowoodo and you can battle it.
where is the pokemon transfer lab in heartgold
spray paint it
You spray it with water from the flower shop in Goldenrod. The shop is the street above the medical center and then you go right.
No, but you can trade Pokemon only in HeartGold to Black
Aura Beam is in Pokemon HeartGold.
That is impossible in Pokemon HeartGold and SoulSilver.