Pokemon Light Platinum ROM is really a Remake ROM from Pokemon Ruby Version. Many new features were included in the completed version and some Pokemon Generation 4th are available. Thanks WesleyFG for making the game.

You can see some features below:
Included New Region ZHERY
Included New Leaders and Elite Four
Included New Rivals
Pokémons of all Regions (Johto, Kanto, Hoen, Sinnoh)
You can have trips to another areas
Can catch all Pokemons Legendaries
Included All New sprites
Included All New events
Included All New Tiles
New Final Event: Pokemon World Championship

ROM Infomations:
Hack Name: Pokémon Light Platinum
Hack Base: Pokemon Ruby (English)
Language: English & Portugal (Brazil)