Discover how to transform old phones into an interactive wall art piece in this 25-minute JSConf talk. Learn to create a digital collage resembling a circuit board using basic crafting skills, Node.js, and a Raspberry Pi to manage multiple Android devices over USB. Explore browser APIs for building visualizations, integrate with IoT, and repurpose old mobile phones for displaying photo galleries, shopping lists, and music visualizations. Gain insights from Tiger Oakes, a W3C enthusiast and Microsoft Edge developer, on crafting web apps that work offline and load quickly, drawing from his experiences with Mozilla Firefox and Google Chrome for Android.