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/d2c2y9
If you haven't heard back yet, this means your channel is being held for a second review and we'll be putting more effort/resources into additional reviews of your content. Thanks for your continued patience!