When you produce a game, there is many options regarding graphics: GDI Win32 based.  Used mainly for non-graphic intensive application GAPI Gives you a direct access to the frame buffer.  No clipping, back buffering and flipping functionality. 3rd Party Library GapiDraw DDraw-like API.  Version for Desktop and PocketPC. www.gapidraw.com PocketHAL  Provides buffered access to the display memory. pockethal.droneship.com FatHammer Optimized 3D API tailored for PocketPC and SmartPhone www.fathammer.com Coming up... D3DMobile