With Shop Product Features you can specify unique features for each product category. Same features can be used in different categories.
For example, you have 2 categories of products:
1. mobile phones with features : OS, Memory, Connectivity, Display Size, Battery
2. monitors with features : Display Size, 3D, HD
when defined, you can specify feature settings for each product
product features are displayed on product page as list (use %FEATURES% macro to display features on page)
user can add features to "compare products list" (use %COMPARE_ADD% macro)
and compare products (use %COMPARE% to display list of products added to compare list)