Android Developer Console

Google Play Console:

Access your Google Play Console data from your Android device. Review your app's performance statistics and financial data. Read user reviews and reply to them wherever you are.

Firebase:

Access your projects in Firebase from your Android device. Analyze performance statistics, Authentication, Database, Notifications.

AdMob:

Access and manage your AdMob account simply and easily, allowing you to access reporting features from anywhere on your mobile device. The application provides an overview of the account as well as access to detailed performance reports across all key metrics. Available reports include: top ad units, placements, websites, countries, and more.

AdSense:

Access AdSense in an easy way, view key data from your AdSense accounts. Lets you access reporting features from anywhere, right from your mobile device. In addition, it provides an overview of the account and gives access to detailed performance reports on all key metrics. Available reports include: top ad units, placements, websites, and countries, among others.

Material Design:

This is a dev tool to view the drawing colors of Material Desing.

Color:

Color in material design is inspired by bold shades juxtaposed with soft environments, deep shadows, and bright highlights.

The color palette:

Includes primary colors and accent that can be used for illustration or to develop your brand colors. They were designed to work in harmony with each other. The color palette begins with primary colors and fills the spectrum to create a palette that is usable for Android, Web, and iOS. Google suggests using the "500" color tone as the primary color in your application and the other colors as color accents.