The answer is YES, of course.
We are very happy when you have and share with us any your idea. Let contact with us anytime if you have any new idea about new features for our extensions. We will review your requirements and reply with you as soon.
If your ideas are great ideas and can be improved for extensions, we will create and update free for you. Otherwise, if your requirements are specially and serve only for your stores, we will re-contact with you and you need to pay fee for us (total fee amount is depend on the complexity of your requirements).