What is material design?
It is a visual language that synthesizes the classic principles of good design with innovation and possibility of technology and science.
By building your UX with a well defined styleguide, you will help both designers, product owners and developers to have a shared understanding of what needs to be created.
Mobile precepts are fundamental as you will see similarities between this library and the Axure Android Library which is mobile oriented, but touch, voice, mouse, and keyboard are all ﬁrst-class input methods.
⌦ Since the Ice Cream Sandwich release, Roboto has been the standard typeface on Android. Since Froyo, Noto has been the standard typeface on Android for all languages not covered by Roboto. Noto is also the standard typeface for all languages on Chrome OS.
The font used in the library is the default Arial, as the other two fonts are not available by default in Axure. You can download both Noto and Roboto for free here and use them in your prototype.
For both Android and web properties, the font stack should specify Roboto, Noto, and then sans-serif.