Battery Widget on Home Screen and Lock Screen.
Battery Usage - Display standard Android battery usage.
Battery Health - Show current battery level, charging level, temperature and voltage.
Changeable Themes - High resolution themes available as free and paid applications on Google Play.
Free with no ads on Google Play.
The complete list of themes available can be found at http://genesis-castle.com/?page_id=372
Please note that this is not an application but an widget. No application will be shown on the application list after installation. As the step to add widget to home screen varies according to different phone/tablet models, please consult your respective user manual of your phone/tablet on how to to add widget to the home screen.