How to use one Ui 2.0 features in older samsung phones

Heys Guys, today i will show you, how you all can use One Ui 2.0 features in Samsung older phones Please Check out this video#

1. App You need to Download to use this feature, here is download Link https://drive.google.com/file/d/12aJhXovoelOqgwbZ_uM0-RJQQ03tKIQn/view?usp=drivesdk