Google is opening up Google Play to allow all developers who worked on a particular app to chime in to address comments from users.

Google To Let Developers Respond To Comments On Google Play [news.cnet.com]

Letting developers respond directly to users is important as it allows for a two-way dialogue. Some comments may contain inaccurate information. Other comments may throw out questions that can be addressed by the developer rather than leaving them hanging. And since reviews can easily influence potential buyers, developers need to be able to set the record straight sometimes.