I finished the daily process but did not get boosters

alex, you should write zendesk for this problem.

Regards

what is the zendesk?

Hi alex;

Zendesk is the support service of Nekki for both social games ( Facebook 11x11 and shadow fight) and browser games.

You can follow the insturcitons in this forum page :
http://forum.11x11.com/index.php?showtopic=5160

The web adress for zendesk is : http://nekkisupport.zendesk.com

Good Luck.