An android slideshow/screensaver gallery for photos. A few photos are part of the apk, while the rest are downloaded from the back-end (currently supports opml xml file, but can easily be extended). Support android 2.1 - 4.0 and is optimized for phones, tablets and GoogleTV
Based on reviews to Trey Ratcliffs gallery
Provide a GridView overview activity http://stackoverflow.com/questions/10965302/how-to-create-a-grid-thumbnail-gallery-with-photo-browser-for-android
Should have intent into the real gallery.