“Wii U Chat”, other items listed on official box

A close inspection of the Wii U’s North American boxart reveals some of the console’s features.

Most importantly, the system will include an application called “Wii U Chat”. This will likely allow users to communicate with video over Wi-Fi.

Other items mentioned on the box:

• Make and share new Mii characters
• Easily interact with friends, family and people around the world with Miiverse
• Download add-on content, full games, classic games and applications from Nintendo eShop (all contents sold separately).
• Communicate with other Wii U owners in real time with Wii U Chat

Source