No??Its D/P not FR/LG....D/P came after FR/LG so no you cant
In order to evolve Rilou you have to become great friends with it.
Trade
Rilou Evolves Into Lucario At Level Thirty With Happyniess PEACE,OUT!!
you cant. on iron island team up with riley till you get to the end of the cave then he'll give you a rilou egg.when the egg haches level him up. "friendship evolve". or if you have a exp share you can give it to rilou "make sure rilou is in your pary" get one of you strongest Pokemon and battle Pokemon that it's level are higher than rilou and he will get some points and rilou's level goes up . hope this helped.
to get rilou go to iron island and a man will follow you through a maze and when you finish he will give you lucarios egg which has rilou in side.walk 500 steps and itll hatch (only if its in you Pokemon team).it cannot be caught in the sinnoh
Episode #364 Duhhh
You either have to be it or chosse it as your partner
riolu evolves via friendship
it eloves at a high freindship lavel
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.
You can have an egg with a ditto at the Pokemon daycare center with your riolu and evolve that Pokemon into a Lucario.
YOU gotta Be a girl :D