After fixing things, i have submitted the product again and now review team answer with this.
Thank you for your submission. We have completed our review of “OxygenDevs - Whatsapp and Skype One Click Chat Support” and unfortunately we found it isn’t at the quality standard required to move forward, and you won’t be able to re-submit this item again.
Here is the comment from your Envato Quality team reviewer:
This item has a nice concept, but doesn’t feature the required functionality and features to be approved as a premium item. Consider expanding the feature set here.