https://github.com/rShetty/awesome-podcasts
https://github.com/googlesamples/android-sunflower
https://github.com/kickstarter/android-oss
https://github.com/kickstarter/ios-oss
https://github.com/DrKLO/Telegram
https://github.com/vsouza/awesome-ios
https://blog.stylingandroid.com/
https://www.androiddesignpatterns.com/
https://www.bignerdranch.com/blog/categories/android/