Updated release from zajako:

I just added some bug fixes and new features :P

A adds another heart to the screen
B removes a heart from the screen

I also fixed a few bugs with vertical heart movement.

Also if you remove the hearts, it leaves old hearts on the screen, I could have cleared them, but I left it this way, because if you remove it down to 1 heart, it is a mini game of clear the hearts, with the remaining heart being moved around by the cursor, and as it runs over pixels, it clears them :P

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