Happy Hexagons is very similar to Flood It. The object is to turn all of the hexagons into the same color. You start with your man being in the top left corner. If the hexagons adjacent are red, then you turn yourself red and absorb the newcomers. Like the Borg in Star Trek.
We've seen this type of puzzle many times before. Nothing great. But you get a smiley face when you succeed with a certain number of moves.