Did you used sqlite to save your data on Android? If you did, you may be puzzled for the complexity of mechanism. Now the Andoird ORM (Aorm) coming which armed to make it simple for the developers.
A simple library to display images in Android ListView. Images are being downloaded asynchronously in the background. Images are being cached on SD card and in memory. Can also be used for GridView and just to display images into an ImageView.
A ViewPager that shows items from right to left for RTL locales and behaves like a regular ViewPager otherwise.