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I have constructed a application in BB10 Os but unable to upload on app world ..please provide details regarding the same ?
Seriously: Did you have a look at the BlackBerry Developer Portal prior to posting your message? The steps for distribution are positioned there quite prominently.
Overview: App World Distribution
Adding Apps to App World: Article
We have a lot of documentation availble on our website to help guide you through the process. https://developer.blackberry.com/appworld/