The Google I/O 2015 app is waiting for you in the Google Play Store
For those attending the event on May 28th and May 29th in San Francisco, you can set reminders to go off before certain sessions start. The conference map makes sure that you don't get lost at the Moscone Center West. And you can even sync your schedule between the Google I/O website and your mobile devices.
The app explains all of the sessions in detail including the topics and names of the speakers. Whether you are going to Google I/O or watching it from your mobile device, the Google I/O app comes in handy. You can install it for free from the Google Play Store.
source: GoogleI/O (Android)