You can make a simple character controller for your game like "Samurai Flash" or "Push'em all" games.

Download whole project or just this package for using character generator tool.

Go to Window and click CharacterGenerator tab for open generate window.

Then drag your model to "your model" area.

If you want to animate character with this system click "Can your model be animated" box. But for using this feature your model's rig must be Humanoid.

For last you can create camera that chasing the generated player. To do this click "Do you want a chasing camera?" box.

So thats it. Click the "Generate Character" button for generate. You can try in simulator or on your phone.
The system works with Unity Touch system. You can't play with Unity's Game tab. You have to install simulator for testing or you can test on your phone.

Demo video: