Minecraft wiki entry for How_to_play, associated text: Try a new skin for a fresh new look!
Check out worlds to unlock new maps and challenges that you may want to play again and again!
Give your old game a new look with texture packs that can be layered over your current worlds and realms!
Or try them all with mash-up packs which are curated collections of skins, worlds, and textures that, when combined, transform your worlds and realms!