MicroPool 2007 is maybe the nicest pool game for Pocket PC devices. You can read this boring feature description below, but it is highly recommended to try the free demo instead...
US 8-ball, 9-ball, Killer and Speed games
1 player, 2 players and demo mode
Stunning sound effects
Advanced artifical intelligence
Easy learning curve
3 pool tables with different colors
4.0: First public release of Pocket PC version