Umano11 30 of the most beautiful and well designed Android apps
Hailo Material Design Animated Interaction [Pixate] #UImotion
Cards - Components - Google design guidelines
Wsl android phone home cards
Android - Campus App by Eric Hoffman for JellyJar Co
Menus - Components - Google design guidelines
Google Newsstand App Article.
Flo Android App by Yummygum
Minimalistic Calendar Widget
Google Newsstand App Portrait (Nexus 7 2012)
Android Profile Design
Just some more practice on flat design.