When selecting 2 bubbles to swap or fall, you need to wait for the first click to be sent to the server before clicking the next. On a somewhat slow network connection, this is annoying, especially because you don't need any result from the server in order to click the second one.
So please let me just click 2 balls, and send both updates to the server without waiting.
So please let me just click 2 balls, and send both updates to the server without waiting.