I'm always happy to see the BGE is still alive and active in the Blender community. Here's a new tutorial that makes clever use of parenting to achieve easy customization.
Thatimst3r writes:
In this tutorial we cover how use bone parenting to add custom accessories to a game character.
We also go over how to save this configuration and reload the correct settings once the player leaves the customization screen and enters the game using the global dictionary.