xStack4 for Pocket PC 

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.
stack 4 connect 4 anti-stack 4 connectris stack4x4

GamesNoMore 

GamesNoMore is a simple and inexpensive solution to make sure that your kids will get enough sleep and will get their homework done. It allows you to enable/disable at will the system features used by modern games.
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xStack4 for PALM 

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.
stack 4 connect 4 anti-stack 4 connectris stack4x4