Yes, you need to complete the Johto Pokedex to get the Hoenn Sound device, which allows you to catch Hoenn pokemon in the wild.
No you do not need to catch Kyogre. You can get a Hoenn starter from a guy named Steven in Kanto.
No, it is not possible to access the Hoenn region in either SoulSilver or HeartGold. However, you can catch Pokemon from Hoenn. On Wednesday, the Pokemon march station is a Hoenn sound. To get the Hoenn Pokemon all you have to do is set your Pokegear radio onto the Pokemon march station on Wednesday after you have defeated Red.
Hoenn is not in heartgold version, only johto and kanto are in heartgold, hoenn is in emerald
You can't catch Skitty in Pokémon HeartGold or Pokémon SoulSilver but you can catch it in the Hoenn Field in the PokéWalker device and then transfer it over into HeartGold or SoulSilver.poke walker .
You can't get to the Hoenn region in HeartGold or SoulSilver. However, Latias can be caught in HeartGold, which is a legendary from Hoenn.
Unfortunately, no. However, you can catch Pokémon from Hoenn by using your Pokégear radio, though I do not know the full details on how do to this.
he gives you beldum, a Pokemon from hoenn. you can't catch beldum from hoenn in jonto or kanto so don't refuse the offer!
its easy on Wednesday turn on the hoenn music then go to the right route following by hoenn music try the route thing first
NO
you kick yourself
No
You cannot catch Beldum in Pokemon HeartGold. However, you can trade for it. After you have gone to Silph Co. and met Steven to get your Hoenn starter Pokemon, you can go back after a little bit to find him again, and he will give you a Beldum if you trade him a Forretress.