2D/3D performance comparison
Android game development in 2D and 3D is different. It is a fact that 3D game processing is heavier than 2D games. However, the game scale is always the deciding factor.
Different look and feel
3D look and feel is way different than 2D. The use of a particle system in 3D games is very common to provide visual effects. In the case of 2D games, sprite animation and other transformations are used to show such effects.
Another difference between 2D and 3D look and feel is dynamic light and shadow. Dynamic light is always a factor for greater visual quality. Nowadays, most 3D games use dynamic lighting, which has a significant effect on game performance. In the case of 2D games, light management is done through assets. So, there is no extra processing in 2D games for light and shadow.
In 2D games, the game screen is rendered on a Canvas. There is only one fixed point of view. So, the concept of camera is limited to a fixed camera. However, in 3D games, it is a different...