There is a good possibility that you could. OurH&B has 6 additional I/O pins which could be programmed within our original code. Now, I'm guessing you would need to have some IoT device to communicate with your Browser or a web page and your H&B. Something like ESP3286 or a bluetooth module.
Maybe this article on Instructables could be helpful developing an Arduino code for such control:
https://www.instructables.com/id/Gaming-With-ThoughtsMindwaves-w-Arduino/