Minecraft is an incredibly popular game web-based construction game. The game also allows your avatar to be dressed in Skins, and Minecraft Skins Pro has a collection of over 250 skins, with new skins added each week, which can be applied to your avatar and costs Â£0.99. Skins can be changed directly from the device itself.
A bit more specific is Minecraft Skins Pro: Pirates and Zombies which features 130 skins and costs Â£0.79.
Both apps require Mango Windows Phone 7.5 handsets.