Explore the Ubuntu App Design Guides in this comprehensive video from Ubuntu SDK Days. Learn about key design principles, color schemes, and the rationale behind current designs. Discover how to update existing apps, standardize interfaces, and implement touchscreen gestures. Delve into accessibility considerations, theming options, and the overall design process. Get answers to common questions about core app design, template conversion, user testing, and Unity Next. Gain insights on HTML5 apps, usability testing, and virtual design. Receive practical advice on animations and ambitious app development for the Ubuntu platform.