Unsigning and signing a windows store app

Hi All,
We are targeting side loading scenario for our Windows Store app first and then deploying to Windows store.
I understand the two scenario of developer and enterprise sideloading.
Was just thinking  of one developer sideloading scenario which can happen. Please let me know your thoughts on the feasiblity of this option.
I have created my app with a test certificate with publisher being set as CN="X".
Unpack the app with MakeApp.exe
Pack the app again MakeApp.exe
Produces an unsigned package  ?
i Distribute the  unsigned app pacakge.
End user gets the app package.
Signs with a certificate of which publisher is X.
App gets signed and installed.
Are the above set of steps possible ?.
Thanks and Regards,
Saurav

Hi Saurav,
Perhaps if the question at publishing Windows Store App forum can get more suggestions.
https://social.msdn.microsoft.com/Forums/windowsapps/en-US/home?forum=windowsstore
--James
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