Inspired by how games can help people master new technology, ustwo and Google created a strikingly beautiful and entertaining app called Headed South. Described by Fast Company [https://bit.ly/2Ry0rng] as a “masterclass in world-building,” the app gracefully introduces Pixel 4 users to Google’s new radar-powered Motion Sense technology. Motion Sense allows users to control their mobile phone without touching the screen, via simple hand gestures like a swipe or wave. In the experience, users play the role of a bird named Soli, learning tricks and new gestures as they fly with different flocks. The free soaring and flight expression are controlled by touch and gestures combined, and the story is brought to life in vividly illustrated scenes. To make the gesture-based interaction feel right, ustwo used a combination of visual, sound, and haptic feedback, and ensured the experience offered a sense of control without being overwhelming. Alongside the mechanics, ustwo created design concepts...