Currently it supports paypal and integration of other payment gateways is possible through code modification. The theme is not encrypted and so it can be modified according to your preference.
For customization works including other payment gateways integration, you can contact some of Appthemes certified community partner here http://www.appthemes.com/partners/.
Please help our moderating team work more efficiently by not sending us support questions via PM. You can read more about how AppThemes support works here. However, you can send a PM to follow up and remind me if I missed your support request/thread.
