Action button in home screen (mobile)

1. Where is the action button on my phone?
2. What are the 3 buttons at the bottom of Android called?

Where is the action button on my phone?

The Android floating action button displays on the bottom right of the screen, and can be tapped to fire a specific action. The material design guidelines include the concept of promoted actions, that can be triggered with the floating action button.

What are the 3 buttons at the bottom of Android called?

The classic Navigation bar has the Recents, Home, and Back buttons at the bottom of your screen. It is the default navigation method on all Galaxy phones and tablets. Here are what the three buttons do: Recents: The button to the far left.