Some Qt4 apps were updated (2/17/2010) for OS/2, including: Qshare version 2a is an easy to use FTP server with a built-in service discovery feature; Hexglass version 1.2.1 is a Tetris-like puzzle game; and Colorcode version 0.7.1 is a clone of the Mastermind game. The latest versions can be found via FTP.
Source: OS/2 Warp News and Rumors