Navigate to Settings > About Phone, and then tap multiple times on the Android Version box. Starting in Android Pie, a box pops up and you must tap on the Android Version box a bunch of times to see the Easter egg. From there, tap and long-press the P logo multiple times until the drawing app appears.
What happens when you tap Android version?
Tap ‘Android Version’ to open up a new screen. Now repeatedly tap on the ‘Android version’ on this screen. A volume dial graphic will appear. Turn the dial clockwise until reaches its maximum.
How do I access Google Easter Eggs?
Since the version 2.3 (Gingerbread) of Google’s Android operating system an Easter egg has been hidden. The Easter egg can be accessed through the “Settings” application, in the “About phone” section, by repeatedly tapping the “Android version” section. The animation is different in every version of the OS.