All of the talks from Devoxx 2013 are now freely available on the parleys.com website. This includes all of the talks that I did with Romain Guy on Android: Filthy Rich [Android] Clients What's New in Android Android Performance Workshop Part 1 Android Performance Workshop Part 2 There's also an interview about the new features in KitKat. Then there's this somewhat less relevant Patterns, Shmatterns talk I did about software design patterns. All of the slides from the Android talks are posted on Romain's blog .