Very simple concept, pretty much everything there with lovely graphics and cute animations. So what I think could elevate it:
1. Sound effects for pouring and success/fail
2. Speed to increase throughout the game
3. A score counter to see how you're doing
4. Scaling turned on in settings (for those of us with hi res monitors)
Well done on submitting! I'm the same as you with a few times I failed to submit anything, so keep this submitting streak up!