What is Air command and how to use it

To open the Air command panel, hover the S Pen over the screen and press the S Pen button. Alternatively, hover the S Pen over the screen and tap the Air command icon with the S Pen.

If the Air command icon does not appear after you hover the S Pen over the screen, launch the Settings app, tap Advanced features > S Pen, and then tap the Show air command icon or Show floating icon switch to activate it. Drag upwards or downwards on the Air command panel and select a function or app you want. 

• Create note: Open Samsung Notes to jot down a quick note with the S Pen.
  
• Smart select: Use the S Pen to select an area and perform actions, such as sharing or saving.
• Screen write:  Capture screenshots to write or draw on them or crop an area from the captured image. You can also capture the current content and the hidden content on an elongated page, such as a webpage.
• Live message:  Instead of text message, create and send a unique message by recording your actions while handwriting or drawing a live message and saving it as an animated file.
• Translate: Hover the S Pen over a word to translate it.
• Bixby Vision: Identify landmarks, translate foreign languages, and shop for products online. The option will vary depending on the image.
• PENUP: Let your creativity run wild. Draw, color, and much more..
• Setting icon: Change the Air command settings.
• Add shortcuts: Add shortcuts for your frequently used apps to the Air command panel.