12/13: submit to App Store, waiting for review.
12/19: up to iTune Store.
12/24: Ver1.1 add Dropbox support. Wait for Dropbox approve for production.
12/27: Add Facebook share feature.
Ver1.1: add Dropbox support, just press Dropbox button on toolbar will enter next menu.
Here you can login/logout, backup/restore database from/to Dropbox.
Add Facebook share feature：