Twitter today announced it has acquired Android lockscreen app startup Cover. The app will remain on Google Play “for now.” “Twitter, like Cover, believes in the incredible potential of Android. They share our vision that smartphones can be a lot smarter — more useful and more contextual — and together we’re going to make that happen,” Cover explained in its acquisition announcement. “We’ll be building upon a lot of what makes Cover great, and we’re thrilled to create something even better at Twitter.” More to follow.