Wow! I'm impressed with how many dialects and languages you added. Firstly, I tried russian, and it actually worked, I managed to move, rotate and drop pieces. Then I tried south african and british accent, and it worked too, although not as good as with russian.
However, it seems that there is a bug, when a new figure appears, it sometimes can take the same action as it was with the last figure For example, i said 'DROP' and a figure drops, but when a new one appears, it drops too