Hello! I'm really really sorry for the late reply!
We are very happy that you enjoyed the demo!
A lot of the things you pointed out are already being worked on, others will take a little while to implement.
We went through the trouble of reprogramming it from scratch to make sure we have a more efficient code and to make the game run better. We are taking the time to improve the gameplay and make it more fluid.
The stage art is being redone and we believe we'll have a demo pretty soon.
About the defeat scenes. It's something we've been thinking about for the longest time now because there is a demand for it. But due to the nature of such scenes it might get us in trouble and jeopardize the development of the game. So it's something that it'll take longer to decide on.
Once again I must say that we are very happy with your comment.
It's great to know that we're causing a good impression and that you had fun with it. Hopefully it won't take long for everyone to play the new demo.