Meaningful animation has become one of the most important parts of the Material Design experience across many different platforms and applications. There are core considerations of functionality, implementation, visual design and great UX, but the way things move and meaningful animation is now a key pillar of any software, web or, especially, mobile app built with Material Design language. Thoughtful motion in Material Design can provide context and captivate users. Meaningful Material Design animations offers the opportunity to amaze, making web or mobile applications more engaging and enjoyable.
The bottom line is consumers can tell the difference between perfunctory movement compared to something that mimics behaviour in the real world. This means considering things like visual continuity, hierarchical timing and consistent choreography.
Take a look at this beautifully executed, Material Design download icon: