NBA '06 brings you the ultimate portable NBA experience with an all-new Upper Deck® trading card system where you can earn and trade cards via Wi Fi technology, more classic mini-games for bite-sized gameplay and a lightening fast framerate for smooth, seamless gameplay.

• All-New Trading Card System provides the ability to earn and trade virtual Upper Deck trading cards through gameplay and ladder accomplishments.
• Get your competitive quick-fix on the run with 5 Mini-Games to choose from including All-Star weekend options like PlayStation® Skills Challenge and 3-Point ShootOut along with playground classics H-O-R-S-E, Paint and Dodgeball. An all-new ladder system promotes lasting interest in replay ability.
• Play as or against any of your NBA heroes or villians with authentic home, away and alternate jerseys for all 30 NBA teams in arenas depicted to meticulous detail with fluid, crisp clean gameplay at a blazing 60fps.
• Play any of 6 intense, adrenaline pumping modes of play including Practice, Exhibition, Season, Playoffs, Mini-Games and Wireless options.
• Unrivaled connectivity with wireless peer-to-peer access for head-to-head Ad Hoc match-ups via Wi-Fi technology and enhanced with an integrated browser for streamilined Internet playability.
  
  
  Source - www.us.playstation.com