1) The document discusses Samsung's application certification process which determines if apps are appropriate for their app store and provides guidelines for developers.
2) The certification process has three steps: content review to ensure usability, compatibility with devices, and adherence to social/legal standards; limited device testing; and final confirmation.
3) Samsung provides developer support through self-checklists, detailed test reports, and rapid feedback to help developers fix issues and meet certification timelines. Frequently occurring defects include prohibited content, display errors, concept errors, and interruptions/hardware key issues.