t platforms DrawnUi uses its own hardware-accelerated views handlers to ensure smooth display-synched multi-buffered rendering. They also provide an experimental &quot;retained feature&quot; (Canvas property <code>RenderingMode=RenderingModeType.AcceleratedRetained</code>) that on every frame returns to you the previous frame result for you to draw on top, instead of an empty surface. This can be useful for old-shool game engines that save/restore background for moving sprites, and other similar scenarios, 