Paid Android Phone app: https://play.google.com/store/apps/details?id=com.enovatemedia.stateswipe
Free Android Phone app: https://play.google.com/store/apps/details?id=com.enovatemedia.stateswipelite
Paid iPhone app: https://itunes.apple.com/us/app/state-swipe/id654022988?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/state-swipe/id654022988?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/state-swipe-lite/id657065154?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/state-swipe-lite/id657065154?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/us/app/stack-the-states/id381342267?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/stack-the-states/id381342267?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.brainpop.brainpopfeaturedmovieandroid
Google Apps for Education app: https://www.google.com/enterprise/marketplace/viewListing?productListingId=8006+9291735389906767602
Free iPad app: http://itunes.apple.com/us/app/brainpop-featured-movie/id364894352?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/brainpop-featured-movie/id364894352?mt=8&uo=4&at=10l6SU
Website: http://www.brainpop.com/
Google Chrome app: https://chrome.google.com/webstore/detail/brainpop-featured-movie/cdikkckjinnmjpgkjjpnfmmbcpbhmklf
Website: http://kids.nationalgeographic.com/
Paid iPad app: http://itunes.apple.com/app/barefoot-world-atlas/id489221652?ls=1&mt=8&uo=4&at=10l6SU