You'll find all the source code demonstrated in my talk on Salesforce1 Platform APIs in this repository.
https://github.com/wadewegner/FluentConf2014/blob/master/FluentConf.pptx
https://github.com/wadewegner/FluentConf2014/blob/master/demo1/widgets.apex
https://github.com/wadewegner/FluentConf2014/tree/master/demo2/python
https://github.com/wadewegner/FluentConf2014/blob/master/demo2/lua/lua
https://github.com/wadewegner/FluentConf2014/tree/master/demo2/csharp
I will post a link to the presentation when it's published!