HD Widgets is one of the most polished and impressive widget utilities on Android, so it's no surprise the program's lock screen offerings are among the finest you'll find.
HD Widgets provides a range of attractive lock screen widget options, including a variety of full- and partial-screen weather displays, clocks and power switches. They're all completely customizable, too, so there's practically no limit to the visual styles you can create.
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HD Widgets is available for $1.99 in the Google Play Store.