The blog actually says this: However, from its initial release, the community has been asking us to also make Motion Stills available for Android. We listened

The blog actually says this: However, from its initial release, the community has been asking us to also make Motion Stills available for Android. We listened to your feedback and today, we're excited to announce that we’re bringing this technology, and more, to devices running Android 5.1 and later! This sounds perfectly normal.