$ sudo apt-get update
$ sudo apt-get install mgltools-viewerframework 

mgltools-viewerframework is installed in your system.

Make ensure the mgltools-viewerframework package were installed using the commands given below,

$ sudo dpkg-query -l | grep mgltools-viewerframework *

You will get with mgltools-viewerframework package name, version, architecture and description in a table

mgltools-viewerframework package basic information: