1)   xStack4 for Pocket PC 1.0 Play 4 games: Stack4 (Connect 4), Stack 4x4, Connectris and Anti-Stack 4 on your Pocket PC. The goal of the games is to arrange four stone in a row. For anti-games goal is to force enemy create four stone in a row. 2)   xStack4 for PALM 9.1.1 Play 4 games: Stack4 (Connect 4), Stack 4x4, Connectris and Anti-Stack 4 on your Palm. The goal of the games is to arrange four stone in a row. For anti-games goal is to force enemy create four stone in a row.