Each Pokemon you encounter has a 1 in 8192 chance in being shiny so just keep searching in the tall grass until you find one.
To get a shiny Pokemon try using the poke radar
I think a egg with a shiny Pokemon in it is a different color
You can find shiny Pokemon randomly through out the game.
19g58jjyt5
You have to use cheat code.
Roselia
the code is 77777899992220
No.
Pokesav
You can't
A shiny Riolu is like any other shiny Pokemon in the game, for every Pokemon that you encounter, there is a 1 in 8192 chance that it will be shiny.
you don't need a ar code to catch and keep shiny Pokemon in Pokemon pearl all you need to do is find the shiny Pokemon you want and catch it and unless you release it you keep it.