Being featured can be called the "Holly Grail" on both ios and android. But I always wondered how the review team of android pick the app that get featured? I

Being featured can be called the "Holly Grail" on both ios and android. But I always wondered how the review team of android pick the app that get featured? I am asking this because there is no any review process and wondering what are the opportunities a developer got to get his creation in front of the android review team.