Create new user on phone

Generally Android is not designed to create a dual account to separate applications and save files separately.


If you think you need to keep two separate users, there is a free application that allows you to have this function.
Parallel Space Multi Accounts is available for free on the Google Play Store.

easy to use

Every time you need a new App, you must  install it twice, one for each user.
Memory will be used much more.
The speed of the phone may slow down if the installed Apps operate in the background.
Increased battery consumption.