We are currently working on an app using Sencha Touch 2, Cordova/PhoneGap and OpenLayers.
There is still around 4 weeks development time to go but I have attached a video link and some screenshoots to give you an idea.
The app allows hikers to search documented hiking tracks and view them in an interactive map. The app also supports live tracking which enables users to record their own trips.
Sencha Touch 2 is really cool!
Older video (few weeks ago)
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