Create a zip file of the project you attached to each report. Save a . txt file describing the bug and repro steps in the project' Release notes - Android Developers
Beta testing is the final phase of software development before a general release. It involves providing a near-complete version of a product to a select group of testers to identify bugs and usability issues that internal teams might have missed. : beta.zip
Could you clarify if refers to a specific application or a particular software's beta archive you are trying to install? A guide to beta testing - Unity Create a zip file of the project you attached to each report