I think this idea has some good potential! The problems I've noticed though is that:
-The player is on the right side of the screen for seemingly no reason, it make it harder to react and puts more focus and what's behind you which is not useful
-It's incredibly difficult to get by the blue enemies, I managed to get through the blue one once but was not able to make it trhough the second one
but I do like the graphics and gameplay, even though simple so far, I think it could make for a very nice experienc :)