Instead of a physical key, you can display a button on the screen and take a screenshot with that button. Provides the following additional functions. 1. Cut the top bar and bottom bar 2. Hide the top bar (date/time, user text) 3. Optimizing Insertion 4. Resize --- App icon license Source: https://iconarchive.com/show/android-lollipop-icons-by-dtafalonso/Camera-icon.html Artist: dtafalonso License: CC Attribution-No Derivative 4.0 Commercial usage: Allowed