Opencart extension rejected


#1

My opencart extension is rejected from codecanyon. I don’t know why, but i followed all guidelines of Envato.

Extension information:
It is product filter extension

Features details
https://www.opencart.com/index.php?route=marketplace/extension/info&extension_id=35570&filter_member=TemplateMaza

Demo link:

http://flexi-filter.templatemaza.com/smartphone

http://flexi-filter.templatemaza.com/admin/index.php?route=extension/module/tf_filter

Please suggest me where I was wrong