Phonograph by Karim Abou Zeid

Material Dialogs and Cab by Aidan Michael Follestad

AOSP Support Librariesby AOSP contributors

Glide by Sam Judd

Retrofit by Square team

Material Contextual Action Bar by Aidan Michael Follestad

OkHttp by Square team

CircleImageView by Henning Dodenhof

MaterialProgressBar by Zhang Hai

Android In-App Billing v3 Library by Henning Dodenhof

Advanced RecyclerView by Haruki Hasegawa

Android-ObservableScrollView by Soichiro Kashima

Icons by Austin Andrews

Material Design City Wallpaper