The app offers videos and pictures of presidential happenings, news of events, announcements and press briefings. Some of this will be available as they occur in real time. With the app, which has already been downloaded 400,000 times, you get a notification when the President is about to speak.
Although the White House app is available for the Android and iOS platform, any mobile browser using a different OS can use the optimized mobile White House web page at http://m.whitehouse.gov.
source: TheWhiteHouse via Engadget