Will building an app in facebook increase the visibility of a wall post compared to a wall post on a personal page is related to an SDK that 'programmers commonly used' and it is also stating a specific question: whether a facebook app wallpost or a facebook user wallpost get more visibility.
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That's not remotely a programming question. The fact that you're using an SDK is only tangential to the question at best.
I know it's confusing, because we are linked on the Facebook Developers Support page, but your question isn't really technical in nature. We can't answer questions about how to get more page views, or about Facebook's terms of service.