Call of Duty 4: Modern Warfare impressions at Nintendo World Report.

"The Call of Duty franchise enters the modern era with Call of Duty 4. While its presentation cannot come anywhere close to the console versions, Call of Duty 4: Modern Warfare on Nintendo DS features competent graphics with an unexpectedly smooth frame rate. Call of Duty 4 features an intense, pre-recorded soundtrack as well as plenty of voice and weapon recordings. The game is meant to follow parallel to the console versions of the game with missions taking place in the same locales, but not following the exact footsteps of the “main" version. For example, one stage takes place on a ship. In the console version, a companion ship is boarded."

Full Source: Nintendo World Report