Do I need to use the same certificate for all my Android Apps?
问题 Do I need to use different certificates to sign different apps if they are all published under the same Google Play account or can I use always the same? If there is no particular requirement, what is the best practice? 回答1: You don't need to publish all your applications on the same Developper Accout with the same certificate, and can use one certificate per application. But you must publish updates of an application using the same certificate it has first been published with. This mean that