Portfolio design. Probably one of the best I've ever seen.
UI Kit with well designed graphics for free download. Tomasz Mazurczak, a Polish web designer has created this free User Interface Design.
Android Lollipop [.sketch] by Christophe Tauziet
Bookshelf - eBook store & reader app by Morning, via Behance
「Android L」は「Android 5.0 Lollipop」に 新Nexus端末は11月発売