renp

Currently, when user navigates to WooCommerce > Orders and clicks on Order Notes icon, it opens the order itself. 
WooCommerce Order Notes Window plugin overrides this behaviour by opening modal window with 
the content of the Order Notes meta box.
Additionally, information about order note author is stored and displayed.
WooCommerce 2.0.x is required. The plugin is not compatible with WooCommerce 2.1 or newer.

WooCommerce Order Notes Window

Overrides the default functionality when clicking on Order notes button so that modal window with order notes is displayed instantly.

inuyaksa

With this plugin you can add nicescroll to your WordPress site.

WP-Nicescroll

Add nicescroll to your wordpress site, it's a jquery (since 1.5) plugin for nice scrollbars with a very similar ios/mobile style.

WooCommerce Order Notes Window vs WP-Nicescroll