This means we'd like to look more closely at your channel before making a decision. The best thing you can do is keep uploading original content as the more info/content for us to review, the better and you should receive a second update in the near future.
We give careful thought to every YPP application and each one needs to be manually reviewed by our team of specialists. Due to the high applicant volume, it’s taken us a while to review every channel. We’ve been sharing updates about this here: https://goo.gl/ATP6iV