If you were eligible & applied before June 1st, then you should have received an email & update in Creator Studio with more info. If your application is being held for an additional review, then you'll get a second update in the near future! Latest update: https://goo.gl/2icqfh
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 awhile to review every channel.