The new console game, for the Nintendo 3DS!
Saikyo = Strongest
Yu-Gi-Oh! Duel Monsters Saikyo Card Battle!
Release Date: Summer 2016
The red haired character is your protaganist in the game, named “Protaganist”
The rotund kid is Strong Jyuukyuu who uses High ATK monsters
The green haired kid is Psychic Tendou, who as his name implies, uses Psychic-Types
The white haired girl is an altered version of “Tour Guide from the Underworld”, called in the game as “Guide-san” (Ms. Guide), who serves as the general game assist and tutorial character. And it appears she has a Kaiba Corp logo on her hat.
Source: Weekly Shonen Jump