The MKC toolbar may not be completely visible at one time, depending on the resolution of your mobile device.
To view the whole toolbar:
Touch and swipe to move the toolbar icons to the left and right, bringing different icons into view.
To use the keyboard button icons:
The toolbar contains icons for each keyboard button you may need. Touch and swipe left and right to view all icons.
Touch an icon for a button press.
For a button hold, such as for Control and Alt used in Control+Alt+Delete, touch the icon once to activate it. The icon color will darken to indicate it is currently pressed. To release the icon, touch again.