Galaxy Note5: What are the new features of S Pen?

The Galaxy Note5 supports a fun, intuitive way to access S pen features
- Action Memo, Smart select, Screen Write, S Note
- Easily access S Pen functions from any screen

Note4:
When detaching the S Pen from the slot or hover
the S Pen over the screen and press the S Pen
button, Air command  pop-up window like circle
is appeared.

Note5:
On Galaxy Note5, Air command has been changed to floating icon type.
And you can add shortcuts to frequently used apps or functions to the Air command panel. (Possible to add up to 3 apps)