How to get pokemon emerald radomized on an iPhone or android?

I have an emulator on my android and another one on my iPhone because I jailbroken it and I already have the pokemon emerald rom on both of them but I want to get it radomized so that when I find wild pokemon it will be completely Radom so how do I get it on a cellphone

I believe he means "randomized", as in Caterpie will not always show up in a specific grass patch.

I don't work with ROMs much, so I can't contribute an answer. I just thought I would pitch this in.

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