MIUI 10

[https://en.miui.com/zt/miui10/wap.html] [MIUI 10] is good,have a look at it!
MIUI10 is latest user interface for MI users who like full screen experience with full screen gestures too.
You can also set a timer and choose a sound while timer is running.
All the unnecessary user interface elements are removed which allows most of the notifications to take front stage

It is designed for the latest 18:9 aspect ratio phones .
It also allows you to open and load app faster without spending too much time.
One of the best feature is that now people don't need dual camera to blur the background ,miui 10 lets people blur background without have dual back camera .

BEFORE

AFTER

It also possess secure and easy to use file manager and supports all file types .

Source:- https://en.miui.com/zt/miui10/wap.html