Very cute and solid platformer!
I agree with SolarTest. The game's weakest point is its repetitive gameplay, it makes getting past the beginning quite boring (especially with how slow everything tends to move). I think you're on the right path making customizable mechanics for Bilo. If you can find a way to draw the player in from the start, more people will want to complete it.
Pretty much everything else is perfect! The music, sfx, art, and overall feel is great. I can tell how much effort you put into this, please keep going with Bilo!