If you are bored by using same UI in your android phone, than you should try this Win 10 metro launcher theme, its give different look and feel to you, the best thing is its free and available in google plays store and no root is required, just go to play store search for “win 10 metro launcher theme” than download and install this app and open the launcher.
Feature
Customize by long pressing on any icon or tile
Windows 10 look
5 HD themes
Access all apps
Customize icon
Weather forecast
Change header and footer color
Add transparency in the colors
Wallpaper changer
Color tiles and color themes
Up and down sliding animation for setting UI