The Preparing for Release section in the Dev Guide (http://developer.android.com/tools/publishing/preparing.html
) lists items to consider before publishing your app on Google Play, including:
• Testing your app on Android devices
• Including an End User License Agreement with your app (optional)
• Adding an icon and label to the app’s manifest
• Versioning your app (e.g., 1.0, 1.1, 2.0, 2.3, 3.0)
• Getting a cryptographic key for digitally signing your app
• Compiling your app
You should also read the Launch Checklist (http://developer.android.com/distribute/googleplay/publish/preparing.html
) and the Tablet App Quality Checklist (http://developer.android.com/distribute/googleplay/quality/tablet.html
) before publishing your app.