Mr. Bounce (from Pixelate)

I'm talking about the Chrome app Mr. Bounce from Pixelate.  Essentially you have to break bubbles with a little bouncing square.  You can control how high and which way it bounces depending on where you move the dotted line and the paddle.  You can also slow down the ball for a short time.  With such a simple interface, and easy to learn design I say it is one of the more addicting games made for chrome.  I wouldn't say it's as necessary to have as Angry Birds or Google Calendar, but it deserves a hard won spot on my second page.  Passed Mustard.

Also can be found for iPad and iPhone for $0.99 on iTunes, or the "LITE" version for free.  It's a little more complex to play, with a screen region to push for slo-mo, but still passes mustard.