Samsung SM-T570 User Manual page 86

Apps and features
Screen write
Capture screenshots to write or draw on them or crop an area from the captured image.
When there is content you want to capture, open the Air command panel and tap Screen
1
write.
The current screen is automatically captured and the editing toolbar appears.
Write a memo on the screenshot.
2
Pen settings
Share or save the screenshot.
3
You can view the captured screenshots in Gallery.
It is not possible to capture a screenshot while using some apps.
Eraser
Undo
86
Save
Share
Redo