To be honest, there is no doubt that iphone is one of the trends in today's society and more with the popularity of the so called Android phones! Also, let's remember that because the Android devices have awesome capabilities and features, Android is becoming more and more popular within the new generations day by day!
The Android devices have awesome application framework which enables reusing components. It also has optimised cards for graphics that are powered by a custom 2D graphics library. Also, the devices have support for several media files as well as an accelerator and compass.
Also, there are some basic reasons why one should opt Android for developing games and that is that anyone can use an android platform to develop games with the capability of making android games viral.