Long press and drag to move the toolbar around. After 3 seconds of inactivity, the toolbar becomes 50% transparent. Turn on Clear on hiding canvas to let the app clear the canvas when you hide it.
Choose a vector image design tool which can export SVG formot file (eg. Illustrator, Adobe XD, Affinity, Sketch, Figma). Create a canvas with width and height 108px. If it's too small, you can create ...