By Roman Nurik, lead designer for the Google I/O Android App Every year for Google I/O, we publish an Android app for the conference that serves two purposes. First, it serves as a companion for conference attendees and those tuning in from home, with a personalized schedule, a browsing interface for talks, and more. Second, and arguably more importantly, it serves as a reference demo for Android
![Material design in the 2014 Google I/O app](https://cdn-ak-scissors.b.st-hatena.com/image/square/114f11a5bcebc38fa720f8b49363dbb05fc8477d/height=288;version=1;width=512/https%3A%2F%2Fblogger.googleusercontent.com%2Fimg%2Fb%2FR29vZ2xl%2FAVvXsEieIg-J44ZStGSdK8xv-9b3fzzqrL2OZWRoAXXURw2_1iF3sA-Py-jo7TotdE39QekOT8HgQ0Ul8jBmr9pwxqGSu2knKObV2-x6U6BPzmThXEO2WpqLp23q3xln_wl7ma1lv-1mnPRLnVLd%2Fs320%2Ftabs0.png)