Glad you liked it! It has been some time, but I think that the "hold to jump higher" was the default jump configuration, at least in the version of gbstudio I used. What do you mean about the camera?
Ah I thought you were using gamemaker studio since I was filtering for that. In gamemaker the way the field of view is done is with a "camera" which you can manipulate in some ways. This is still pretty cool though I just understand it less.