I loved it. I understood it as using concepts rather than physical objects (the door is made of the 4 elements!) so I didn't find it weird to manipulate shapes like that or to get scissors out of paper and rock.
yes it is a doodle jump knockoff, but this is by far the best doodle jump knockoff I have ever played. when I die i was because I was not skilled enough, not just a crappy block randomization. well done!
there have been a lot of complaints about the controls that I do not understand. I had no problem pushing s to jump. this isn't the only game with this control scheme.
I don't think he really counts as a ninja. he uses an exosuit to mimic ninja abilities, but a true ninja would not need a fancy suit. he is more like iron man.