The remakes of G/S will be in the Johto Region.
Gold, silver, and crystal all begin in Johto. This is true, however they are all GbC (gameboy color) games, and will not work on a phone's gba emulator.
heart gold, soul silver, and crystal(old)
It is not possible to visit Ilex Forest in Pokemon FireRed as it's a location exclusive to Pokemon Gold, Silver and Crystal. Pokemon Gold, Silver and Crystal are the only Pokemon games that let you visit more than one Pokemon Region.
Vulpix and all Vulpix's evolved forms onwards. And you can get Pokemon from the Sinnoh and Hoenn region too. :)
It is only in HeartGold & SoulSilver and Gold & Silver you can go to different regions :/(and Crystal)
Well in travel wise, probably Soul Silver, Heart Gold, Silver, Gold, or Crystal. They can travel to Kanto.
cuz they think Pokemon silver and gold are better than Pokemon crystal.
By trading one from gold/silver and cloning it Dani (the girl Pokemon trainer on Pokemon crystal version) By trading one from gold/silver and cloning it Dani (the girl Pokemon trainer on Pokemon crystal version)
The oldest Pokemon games to feature Johto are Gold, Silver, and Crystal. FireRed and LeafGreen partially feature Johto after you beat the Elite Four. The newest games to feature Johto are HeartGold and SoulSilver.
Gold / Silver / Crystal
On Pokemon Silver, Gold, and Crystal Blaine is on Cinnabar Island. On HeartGold and SoulSilver he is at the Seafoam Islands.
Tornadus roams the Unova region, like Entei and Raikou roam Johto in Gold, silver, and Crystal.