JustAClock (jp.gr.java_conf.jiraiya.justaclock) on Google Play
This is just only a clock application:- Shows Hour:Minute:Second for manually synchronizing the time of another device. - Supports time notifications by sound or vibration. - Makes no battery consumption when it is in background. - Though the app-icon is representing an analog clock, this application is a digital clock. - There is no widget. Use by launching application on demand. - There is no sophisticated design. This is not for design maniacs.