Preview images are not rendered, but realtime, taken form Blender viewport. They can look as good or even better in the application game engine.
Photoshop files for the textures are included in separate zip archive psd_texture_files.zip. By simply changing hue/saturation/brightness value of the adjustment layers for different parts of the clothes/gear, it is possible to get a lot of variations some shown on the product preview images.
Character model comes without top of the head, as it is meant to wear cap or helmet.
Complete body... 3060 triangles
Accessories/Gear... 1374 triangles
Six png texture files with matching normal maps... three 512x512 (one for bat with ball, one for glove and one for helmet) and three 1024x1024 (one for skin, one for shirt with cap and one for legs with shoes).