This app is designed to provide users with a simple and convenient way to draw, save, and edit pictures. It offers a variety of features to enhance the drawing experience, including support for multiple drawing modes such as free line, straight line, rectangle, and circle. Users can choose from various pens, including ordinary pen, pencil, paint brush, brush pen, color fill, gradients, neon pen, starring, rainbow, stamp, mosaic, and blur. The app also allows users to adjust pen thickness, transparency, and color, as well as offering image stabilization and support for up to 10 layers. Additionally, users can change background colors, use the line picking function with the pen tool, and enjoy delicate drawing with the cursor. The app supports undo/redo functionality, straight/oval ruler, decalcomania function, and the ability to draw pictures by zooming in or out on the canvas with pinch-to-zoom. Users can import photos via the album or camera shooting, save and retrieve their works, save them as images to the album, and add texts to their drawings. For any suggestions or problems, users can contact the app's developers through comments or email.

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