Under JB environment, how to make iphone app built-in applications?

Demand is such that I now do a APP, as the system needs to APP (how Safari), as in the case of long press of the top left corner X does not appear to allow the user to delete.
I tried many ways, I do not know how to do. I hope a little idea of ​​siblings wing na.

3Q3Q3Q
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Deb package seems to make the package can not delete users.
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Jailbreak possible ......
Apple is not allowed shelves, because it seems to require some API calls
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cited a floor lesice reply:

like packaged deb package can be made not delete users.

DEB package is labeled with Cydia installed it.
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reference to the second floor ybh37 reply:

jailbreak possible ......
Apple is not allowed shelves, because that seems to need to call some API

Ah already jailbreak.

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Alas, the end of the bar.