DashClock is an open source, excellent clock widget app for Android 4.2 devices. You can replace the stock clock widget app with it and bring many additional features such as your current local weather, missed calls and unread text messages, your next calendar appointment, your next scheduled alarm and even your unread Gmail messages on the lock screen. To add the DashClock widget to your Android 4.2 device’s lock screen, simply swipe to the left-most page of your lock screen and touch the “+” icon. Then, select “DashClock” to customize and add the widget. DashClock app can be downloaded free at Play Store.