Do you want increase your theme sale?
I would like invite theme developers to cooperation with our brand new item. WordPress Booster plugin will help your customers gain new visitors and increase statistics. You can simply include Full WP Boo in your theme package for free. Additionally, each of your customers will receive free points to advertise their sites.
Learn more or test it yourself:
Paste the url into your theme you want integrate with WP Boo API and wait for my reply.