Search "SAMPE Seattle 2014" in your app marketplace to download the app.
Apple: https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=842785323&mt=8
Android: https://play.google.com/store/apps/details?id=a2z.Mobile.Event2319
ChirpE Web (Opens in a Web Browser): chirpe.com/sampeseattle2014