Gem Slider is a great puzzle game (for Pocket PC running WinCE) on a board where your goal is to remove all the gems from the board. In order to do this you have to slide stones from sides of the board, and guide them to the jems of the same variety. Incredible variety of combinations makes it very entertaining. It is not as simple as it may seem at first glance, and quite addictive. There are two different modes of play, and several skill levels. Updates are free.
