Blizzard sent out the following

To celebrate the release of D.Va’s new Animated Short “Shooting Star” and the new Busan map, we invite you to participate inD.Va’s Nano Cola Challengestarting now until September 10th!

Your wins in Quick Play, Competitive, or Arcade will all earn you additional exclusive rewards on top of your normal earnings:

  • Win 3 games, and earn 2 new D.Va sprays!
  • Three additional victories (for a total of 6) to earn a new D.Va player icon!
  • Finally, 3 more wins (a total of 9) and you will take home the Nano Cola D.Va skin!

To top it all off, we are partnering with a variety of content creators on Twitch! These streamers will be featured on our social media channels and the Blizzard Battle.net App, and tuning in will earn you some exclusive D.Va emoji sprays!

  • Two hours watched of the promotional streams will earn you 1 new emoji spray
  • Two more hours watched (total of 4) will earn you 2 more new sprays
  • Two more hours watched (total of 6) will earn you another 2 new sprays
  • Watching another 2 hours (for a grand total of 8) will earn you 3 more new sprays, 8 in all!

Will you be taking part?

Source: Blizzard PR