You can make your WordPress site look more good on Google Chrome browser for Android by adding a meta theme tag to customize toolbar color.
Starting in version 39 of Google Chrome for Android Lollipop, Chrome on Android Meta Theme, a WordPress plugin allows you to use theme-color meta tag and set the color of toolbar color and say good bye to Seattle gray toolbars.
Start by installing ‘Chrome on Android Meta Theme’ plugin in WordPress
Upon activation visit your admin area dashboard Settings -> Chrome Meta Theme and add color code (Example: #dd4b39) matching your website’s theme.