I love how simple and relaxing this game is. I do see some of the issues with control as you have smaller and smaller bubbles to work with. That said I was never really frustrated though maybe that was in part because of the calm music. I really like this.
The biggest complaints I can give are around the "larger" bubbles you end up with (as I'm writing this I'm at over 1000 merged). Simply being a scaled up image of the smaller bubbles it does feel quite different both in how it controls and how it feels.
I also just "finished" with a score of 1285. Yay me.
And congratulations again on finishing a game for the jam.