ramdroid

how about syncing across devices, instead of old fashioned import/export ;)

BackupManager would be the easiest solution, but definitely not the best one. You can't force a backup when you changed a setting and hence you are unable to synchronize instantly....

Actually I think you can't. "When an application has made changes to data which should be backed up, a call to dataChanged() will notify the backup service. The system will...

Gallery is deprecated in the meanwhile.... http://developer.android.com/reference/android/widget/Gallery.html