App to replace the android time display to show date and seconds?

Factual Questions
1

Can’t seem to find one.

2

Like https://play.google.com/store/apps/details?id=jp.co.intri.second.clock&hl=en ?

3

No, I want something that will replace the clock in the information bar.

4

https://play.google.com/store/apps/details?id=com.appsynapse.bottime&hl=en