Blackboard Mobile Learn, an app for Mac and Android devices, is available for students and instructors to purchase and download directly from the Apple or Android store for $1.99 per year, or $5.99 for a lifetime license. The mobile app allows you to use some of the features of a full Blackboard course site on your smartphone or tablet: post announcements, use discussion boards and blogs, view class lists, and check tasks. More information on Blackboard Mobile here