The fact that the song is not even a single and there's no promotion makes this a huge success. I knw some R&B artists who would kill 4 this song in order 2 revive their careers, just saying
Urban radio stations don't play by the rules when it comes to playing "officially added" songs, so this isn't really a surprise. Most urban stations have been spinning damn near every track from Drake's 'Take Care' album and they have gone on to chart on the Hot 100