The Samsung Galaxy Note 4 with its large display can be optimally utilized to two apps can be displayed simultaneously on the screen. There are the "Multi Window" option in Android lollipop. With multi window you can simultaneously display two apps on the screen and thus operate in parallel. If you MultiWindow on your Samsung Galaxy Note 4 via Menu -> Settings -> Multi Window is activated, then it may be that you no longer get the multi-window display bar.
This will automatically disappear after each interaction, so as not to obscure the screen currently displayed.
We show now how the multi-window bar in Android Lollipop can be displayed quickly and comfortably again. It works like this with this button:
Hold the back button (right soft key) is pressed and waits until the bar on the right side of the screen is eingebelndet. This button is now so getting the multi-window ledge on the Samsung Galaxy Note 4 be shown or hidden.
You know now how to be 4 Multi switched on Samsung Galaxy Note Window toolbar and can be hidden if it is not visible on the display.