Font 'Roboto' mandatory in Google's material design?

1. Why does Google use Roboto?
2. What font does Google material use?
3. Does Google use Roboto?
4. Is Roboto a Google font?

Why does Google use Roboto?

RESEARCH. First released in 2011, Roboto was designed in-house at Google by Christian Robertson to replace Droid as the Google system font for Android. Its objective was to look good in a wide range of screens — from a smartwatch to a slablet.

What font does Google material use?

This example type scale uses the Roboto typeface for all headlines, subtitles, body, and captions, creating a cohesive typography experience. Hierarchy is communicated through differences in font weight (Light, Medium, Regular), size, letter spacing, and case. The Material Design type scale.

Does Google use Roboto?

Roboto is the default font on Android, and since 2013, other Google services such as Google Play, YouTube, Google Maps, and Google Images.

Is Roboto a Google font?

Google Fonts: Roboto

It has a mechanical skeleton and the forms are largely geometric. At the same time, the font features friendly and open curves.