This is a project that I have worked on for a long time.
It aims to be the sequel to Super Mario World; with a story somewhat similar to the SMW 1, but with new levels. In addition, also using some elements of Super Mario Bros 3.
It is currently in BETA phase, but a version has not been released until a final version is released.
However, I posted a BETA demo in a video; which you can see on my website: https://lapminternational.blogspot.com/