AstroPhotons compiles a collection of eye-catching images in one place, making an enjoyable viewing experience on various sizes of screens. The main features are as follows.
Overview - many pictures in one glimpse
Calendar - pictures of a specific month
Details - picture details with an explanation and keywords
Sharing - sharing the page of an awesome astronomy photo with friends
Widget - admiring a picture of some day, updating a random image every hour, and tapping the Widget to learn more.
Searching - doing research like a pro
GoTo - a picture dated back to someday