problem in updating playbook app on store

We have our "Hello-Hello Spanish" application ready for sale on app world. Earlier, We have created this application by using flex builder. Since now playbook OS 2.0 comes out, we are planning to convert our existing android application :- "Hello-Hello Spanish" to blackberry playbook app using app player.

We have already repackage the application from android to blackberry and want to send as a update for our existing app on app world.But we are getting the following error while uploading:-"File bundle (Hello_Hello_Spain.bar) has been rejected. Package ID is required for all .bar file. If this is an upgrade, Package ID must match Package ID in original file bundle."

This error clearly show that our new app product ID does not match with the existing app product ID on app world. but we can not put the same product ID as we have in our existing app. because in our earlier app we have the product ID:- "HHSpanish" but in our latest version app product ID name is:- "com.hello-hello.HHSpanish". We can not change this android app Product ID as android project need product ID at least in 2 segment( for example:- com. abcd).So we are not able to put the same Product ID as we have before.

How can we solve this problem and can send our application as an updated to our existing app?

Another question is:- Does blackberry playbook have any kind of promo code of app or any gift mechanism that we can give it to our users so that they can download our paid app for free from app world? if not, please tell us how can i gift my app to user for free?

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