Design one single mobile app icon for the App Type, using the Icon Concept as a bold, instantly readable central symbol. Apply the Icon Style with a strong silhouette, crisp geometric edges, comfortable padding and smart negative space so it remains clear at small sizes. Use the Color Palette with strong contrast between the symbol and the icon background. Present the result as a real App Store or Google Play icon: a smooth iOS-style rounded-square shape centered on a plain very light neutral background, filling about 70 percent of the square 1:1 canvas, with a soft subtle drop shadow beneath it. Keep the icon simple and iconographic, with no detailed scene, extra objects, thin lines, tiny details, sparkles, glow, lens flare, photographic texture, random text, letters, watermark, device, hands or mockup. Make the design original and unlike any existing app icon, brand logo or mascot.
Use these details:
App Type: "Piano learning app"
Icon Concept: "Three piano keys rising like steps"
Icon Style: "Flat geometric icon with crisp edges"
Color Palette: "Black, white and bright yellow"
Using your own logo, product or face? Attach it in the chat and say which of the details it replaces.
Your result will come out close to the example rather than identical to it. Change the details to make it yours.
