From www.wdwinfo.com

Universal Orlando releases theme park app
Jun 22, 2011

Universal Orlando has developed a mobile app for their theme park guests. The app is free for iPhone and Android users and will cover Universal Studios, Islands of Adventure, and Universal CityWalk. GPS will guide users through the parks, along with an interactive map, attraction details, access to make restaurant reservations and Facebook and Twitter check-ins. Attraction wait times are not currently included. A check-in game is included, which will give app users a shot at winning a $150 savings guide.