From the main deck, press 4 Web Sites.  

From the Web Sites page, press 7 Entertainment.

From Entertainment, press 1 Fun & Games.

From Fun and Games, you can access the following Cosmic WAP games:

2 Action/Adventure - Battle Pack, Shade, MECH, and BOTS2: Rumble

3 Trivia - Millionaire, Sports Zillionaire, BIG Trivia, 6 Degrees

4 More Fun - Casino Pack

...

To get to Cosmic's Flash'EM, from the Entertainment page, click 2 Socialize.

On the Socialize page, click 3 Flash'EM.