Google’s Demo For Turning Sketches Into Real UI in 15 Seconds | I/O Connect 2026

At Google I/O Connect India 2026, we got a hands-on look at Google’s Sketch to Reality demo, where a rough hand-drawn sketch is transformed into a functional UI in around 15 seconds using Gemini and Nano Banana.The demo highlights how AI is changing app and interface design by allowing developers and designers to go from an idea on paper to a usable interface in seconds.In this video, we show you how the demo works, how fast it is, and why this could significantly speed up the design and prototyping process.