I organize the origin API of NASA into my own one that provides last three days photos , month photos, and photos of a relevant date. The reason to these new methods is that the app can use less calls to backend and save net-traffic.
I host on GAE again :)
The app uses customized transition (TransitCompat)codes instead platform ones, although I can do. The reason for this is that I want to minimize coding diff between high level and low level fragments on Android platform.
Standalone sample source
I use realm .