- your question as stated is vague, but let me try to give you some ideas.
As far as I know, Perl isn't used much in handsets. You'll mostly see it in backend stuff (websites, billing, etc.). Is that the angle you were looking for?
Are you posting in the right place? Check out Where do I post X? to know for sure.
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Want more info? How to link
or How to display code and escape characters
are good places to start.