e-Pointer Function List:

Hold Ctrl key
Eraserselect and erase
Fillflood filled border
Rectangle\Filled rectanglesquare
Ellipse\Filled ellipserotundity
Textwhite background

Hold Shift key to get round rectangle with Rectangle or Filled rectangle tools.
Enable the Caps Lock to get reverse color.
Press hotkey F9 button to minimize e-Pointer, then press again to get new screen; certainly you can also click "Return to Windows" to minimize e-Pointer.
Click right button on combo box to select more color and more size of paint tools.