The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube™ and beyond.
Revenue ≈ users/10 (sales) + users/100·$3 (in-app), per the bootcamp model. An "optimized" listing (≥30 languages, ≥3000-char description) is hard to outrank on its main keyword — pick a different keyword.
Charts grow as the daily crawler records snapshots. A sustained drop in install velocity is the classic shadow-ban signal.