Appshakers email and password storage app [free]

This is an app that helps store and protect users email and password easily

without the need of continuous " sign in and sign out" with the use of data persistence .

Similar apps to this are

https://play.google.com/store/apps/details?id=com.appshakers.randomquestiongenerator

https://play.google.com/store/apps/details?id=com.appshakers.appshakersstorynado