This app was mentioned in 2 comments, with an average of 2.00 upvotes
Hi,
Never used it myself since I haven't been to any of the US parks yet, but appearantly pinja is a cool app: https://play.google.com/store/apps/details?id=com.stealthydesigns.pinja
grz MJ
Apple App Store: http://itunes.apple.com/app/id1002022378
Google Play: https://play.google.com/store/apps/details?id=com.stealthydesigns.pinja