| BaseActivity | (c) 2010 Nicolas Gramlich (c) 2011 Zynga Inc. |
| BaseGameActivity | (c) 2010 Nicolas Gramlich (c) 2011 Zynga Inc. |
| LayoutGameActivity | (c) 2010 Nicolas Gramlich (c) 2011 Zynga Inc. |
| LegacyBaseGameActivity | This class exists to provide exact backward naming compatibility to older versions of BaseGameActivity. |
| SimpleAsyncGameActivity | (c) Zynga 2011 |
| SimpleBaseGameActivity | This class exists so that the callback parameters of the methods in IGameInterface get called automatically. |
| SimpleLayoutGameActivity | This class exists so that the callback parameters of the methods in IGameInterface get called automatically. |