If you are tired of the style, you can try with Material which is exactly what you need.
Beautiful icons with muted colors and stylish wallpapers
All icons are 192×192 in size and are drawn manually and therefore will appear on your screen without any issues
User friendly app with user friendly interface for easy Android 7.0 style operation
+ More than 3500 highly detailed icons
+ 14 QHD cloud wallpapers
+ Regular updates
+ Request icon tool to sort missing icons
+ Dynamic calendars
+ Muzei support