It actually did get featured according to distimo and appbrain, but in the Trending Apps. Which, as far as I know, is not part of the Google Play store anymore. Probably distimo and appbrain are still reading that information even though it’s not displayed to regular users anymore.
I have been in top trending thrice in a month , dont know how , and my app is about to cross its one month of being in top free photography (15-20th rank always) so i get around 1000 dwds/day since first day without any marketing whatsoever… will tell you after i cross my first month time limit after 3 days