create .ipa for jailbroken devices?

Question

I just finished my first iphone application and after i build i got .app file in build folder How can I create an IPA file ,that jailbroken devices can install it easy?

i Create a folder named Payload then i Copy Myapp.app into the Payload directory...Compress the Payload directory and rename the zip file to Myapp.ipa but when i want to run it in my device this error "the application "Myapp" cannot be opened" occurred.

Answer 1

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http://www.alexwhittemore.com/?p=398#more-398