Amazon's second granted patent of interest today is a design patent for their original Echo, home digital assistant device as shown below. (patentlymobile.com)
Though the buttons are mushy, depressing the center button for a few seconds grants access to Siri or Google Assistant. (soundguys.com)
In Samsung's second granted design patent noted above we find ourselves once again in the dark as to what the mystery feature that we highlight above represents. (patentlymobile.com)