Create a professional mobile game app icon (256x256) for a Hidden Objects adventure game. No human character. A large golden magnifying glass should be the main focus, covering an old treasure map with a bold red X mark. Background should feature a tropical island with ruins, jungle plants, and a small sailing ship near the shore. The magnifying glass must be oversized and ., realistic textures, premium hidden object game style. Add elegant 3D text "HIDDEN OBJECTS" at the top and bottom. Clean composition, no round frame, no white background, no empty space. App Store and Play Store ready icon, high contrast, sharp details, professional game branding, adventure treasure hunt theme.