An OS/2 build of DOSBox version 0.7.2 has been released (1/25/2008). This is a DOS emulator that uses SDL; it emulates XMS, EMS, CGA, EGA, VGA, VESA, SoundBlaster, Gravis Ultra Sound, and more, for excellent compatibility with older games. You can find additional information about the port on the Netlabs Wiki.
Source: OS/2 Warp News and Rumors.