_ Cross-Android-API testing
_ Securing Your Private Key
_ Versioning Your Application
http://developer.android.com/guide/publishing/versioning.html
_Specifying Your Application’s System API Requirements
http://developer.android.com/guide/topics/manifest/uses-sdk-element.html
_ http://developer.android.com/guide/publishing/preparing.html
_ http://developer.android.com/guide/publishing/publishing.html
