Maquette d'App Multiplateforme Style Pop

A high-resolution cross-platform UI/UX device mockup showcasing a smartphone mobile app and a desktop PC web dashboard side-by-side in an isometric front-facing studio view. Design style: fun, energetic, approachable pop aesthetic with a vibrant candy-color palette of sunny yellow, hot pink, and sky blue. The interface features soft, large rounded corners on cards, windows, and chunky tactile buttons, accompanied by bold, playful thick-line icons. Screen content based on the functional requirements: [App to tile and export uploaded videos, featuring video upload, tiling grid display, and export resolution settings]. The PC screen displays a multi-video tiling workspace and export dashboard, while the mobile screen displays an intuitive, finger-friendly vertical interface. Japanese UI microcopy and headings in friendly rounded Gothic typography. Bright studio lighting, clean device hardware, no human characters or figures.