You can read about it by clicking here but there is some interesting information stated below:
Also, they lowered the requirements. Tegra 2 is just for the best possible experience but you don't need it to run the game smoothly.
- The game runs better on Android than it does on iOS Devices.
- The game can be run on a higher resolution on Tegra based Android Devices than on an iDevice.
- The game will be out for Android download on December 23rd, 2010!
Also, they lowered the requirements. Tegra 2 is just for the best possible experience but you don't need it to run the game smoothly.