A simple extension to the standard Android EditText
which shows an icon on the right side of the field and lets the user toggle the visibility of the password he puts in.
A plugin for Photoshop, Sketch, Xcode and Android Studio which in 1-click turns designs into assets, and shows color palettes, custom fonts and pixel perfect distances which can then be easily shared with the developer.
A showcase of RxJava and Model View Presenter, plus a number of other popular libraries for android development, including AutoValue, Retrofit, Moshi, and ButterKnife. Unit tests covering any business logic and Robolectric tests verifying the ui.