Have you ever thought of taking a "walking tour of the Greenway" on your phone?  Check out these links to load your app! Available in English, French, Spanish, German, and Italian

For the Android app:
http://www.appbrain.com/app/three-rivers-tour/com.brinkman.ThreeRiversTour


For the iPhone, iPod touch and iPad (Requires iOS 4.2 or later)
http://itunes.apple.com/ae/app/threerivers/id443059148?mt=8

For other apps:
http://www.historysoft.com/


Thank you so much to David Brinkman for these wonderful apps!