[ThemeForest] Your item, AGLoader - Responsive Apps/Game Downloader WP Theme, has been rejected

How can i know what is the mistake?
Demo : https://agloader.tahersiddik.com
Give me suggestion!
How can i improve this project to get approval in themeforest?
This message i got from them : Thank you for your submission. We have completed our review of “AGLoader - Responsive Apps/Game Downloader WP Theme” 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.

We appreciate the effort and time you’ve put into creating your item. And we’d be happy to help make sure your next entry will meet our submission requirements. Here’s our advice:

Visit our forums and ask fellow authors for feedback. Our helpful community will be glad to lend a hand.