The Johto starters, Tododile the Water Pokemon, Chikorita the Grass Pokemon, and Cyndaquil the Fire Pokemon
start smashing rocks where the ruins r
There are no mobile phones in Pokemon Heartgold. There is a pokegear, which you get at the start of your journey. Hope this helps.
start again and get cyndaquil
There is no best Pokemon on Pokemon HeartGold.
there is no Pokemon Mansion in Heartgold.
Beat the game first and it will tell you what to do
They are not in Pokemon HeartGold
You can't get to Johto region in Pokemon Diamond/ Pearl, but you start there in Heartgold/ Soulsilver.
where is the pokemon transfer lab in heartgold
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.