reskin

Short definition from Wiktionary

Verb

1. 1
   To replace or repair the skin of a motor vehicle, aircraft, etc., especially so as to market the same car under different brands
2. 2
   To change the skin, or visual appearance, of an application or a video game character etc.

Noun

1. 1
   Something that uses the exact same model as something else, but has superficial differences such as textures.