This Android app lets you classify Galaxy Zoo subjects. It is official and approved by the Zooniverse project.
Feedback and source code pull requests (or patches) are very welcome.
Try beta versions early here: https://play.google.com/apps/testing/com.murrayc.galaxyzoo.app .
See also the iPhone app for Galaxy Zoo: https://github.com/murraycu/ios-galaxyzoo/
See README_permissions.md and README_translors.md
Android, Google Play and the Google Play logo are trademarks of Google Inc.