Kalio Doodler is a drawing software that requires the use of a pressure sensitive tablet. It draws according to pen pressure. Doodler is designed to be a sketching and illustrating tool. The file formats supported are JPG, PNG, BMP, and TIFF. Multilayer image is supported for TIFF file format. Current release provides undo/redo feature. User can increase page width and height after an image is created. Default brushes supply different kinds of feel of major brush type. Custom brush is also available. Simple interface and large work area enable user to create art efficiently.