How to run, search and use iPhone apps on my mac OS?

I don't really have an iPhone nor an iPod touch but I want to download some stuff that seems it "can't " be run on my mac. So how can I get an emulator were I can search for any kind of apps and use them as if I were on an iPhone/ipod?

Https://discussions.apple.com/post! Input.jspa? Container=2131&containerType=14

Below is a link to setting up testing for iPhone apps on a Mac. Assuming that is what you are wanting to do. If you are simply looking for a way to use iPhone apps on a Mac and have little to no knowledge of Xcode I DO NOT recommend you attempt using this setup. If you do attempt, I strongly recommend you back up your Mac before attempting using the linked information.

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