A simple RSS reader based on beta Recycler view and Cardviews. Android L activity transitions are also used in order to test them. (It seems there still are some render issues with Activity transitions and Recyclerview).
Compile SDK is EddieRingle's modified Android L preview SDK in order to ensure compatibility with older android versions :
http://www.reddit.com/r/androiddev/comments/297xli/howto_use_the_v21_support_libs_on_older_versions/