Right Click to place a pixel.
Use the mouse wheel or + and - buttons to zoom in.
Ctrl + Right Click to select a color from the canvas.
Ctrl + V to paste an image as an overlay guide.
Alt + Click on overlay image to select it.
Alt + Drag selected overlay to move it.
Alt + Drag corner handles to resize overlay.
Tap to place a pixel.
Pinch to zoom or use the + and - buttons.
Long press to select a color from the canvas.
Set a hexadecimal color value in the lower left corner or use the color picker.
Enter your whitelist key to be able to place pixels.