iPhone (10000 programs)

Pros: Several different game modes. Detailed and smooth graphics.

Cons: Heavy emphasis on in app purchases. Plagued with pop up ads.

Pros: A more comprehensive Q&A app. A technology that’s well blended with human skills.

Cons: There’s no guarantee the answers received would be honest and well-researched.

Pros: Vast landscapes with varying terrain. Wide range of weapons and gears. Detailed animals. 3D graphical images.

Cons: Requires real money to advance.

Pros: Ease of use. Attractive interface. Simple selling system.

Cons: Competitors are larger.