View images of the sun published by NASA's Solar Dynamics Observatory.
Images are updated about every 15 minutes.

Features:
Zoom and pan
Set as wallpaper
Image descriptions taken from the SDO website
Browse historical data
Integration with Muzei Live Wallpaper (https://play.google.com/store/apps/details?id=net.nurik.roman.muzei)
Solar winds basic data

All images and descriptions are courtesy of NASA/SDO and the AIA EVE and HMI science teams.
http://sdo.gsfc.nasa.gov/
Solar winds data by NOAA Space Weather Prediction Center
http://www.swpc.noaa.gov/

Source code available under the Apache License 2.0 at:
https://github.com/marcopar/SDOViewer