I like the theme. I was actually unable to figure out what what to do with the seeds, though.
There is a problem with the physics that came up again and again. I kept getting stuck in the geometry. I think the issue is friction. If you are using Unity, you can create a Physics Material 2D, set it to Friction 0, and assign it to the character's Rigidbody2D component.
Also, the intro needs to be skippable. Some of us may load the game up more than once!