I always welcome new ideas and love to convert them into the smart android application. During the different applications development period, I have gone through many different challenges and finish all of them with my smart work. Technologies stack: - Network communication - Payment processing (in-app purchases, subscriptions) - Storage and retrieval of structured data - Fragments and broadcast receivers - Multiple screen support - Data offline usage - Material Design theme - Custom UI (need graphics) - Dagger 2 - RXJava - RESTful API design / Retrofit - MVP - OrmLite - Applications / Widgets / Wallpapers - Kotlin - Maps (Google Maps V2, OpenStreetMap) - Connectivity - Push Notifications - Social integration (Facebook, Twitter, Google+) - Cloud storage integration (Google Drive, Dropbox)