Android: Whenever you get a text, email or missed call on your phone, you either have to unlock it or drag down the notification bar to see who it was. Notification LockScreen Widget adds a small but much-needed feature to Android's default lock screen clock: an overview of all your notifications.
After adding it to your lock screen (either using Android 4.2's built-in feature or something like WidgetLocker), you should see notifications pop up under the standard Jelly Bean clock as they come in. That way, you can pull out your phone, turn on the screen, and immediately see whether the notification is something you want to address.
You can customise the widget quite a bit in the settings as well, giving it a compact view (shown in the middle image above), a detailed view with contact images (shown at the right) and a large view (shown at the left). You can also change how notifications are cleared, their colours and the clock style. Hit the link to check it out.