If you feel like making something that has already been made, okay.
Just be aware that you'll always be put up against that as a baseline.
ALSO you should know that there's no point since the other one was done so well.
(even though he left the forum, consider the fact that even though Steve Jobs died, the man who first created a purposefully easy to learn visual interface for computers, people didn't pop up saying that we should create new computers with easy to learn GUIs because it's *already been done*.)