eCrew Development Program: McDonald's Training Game (クルトレ eCDP) is an educational video game created by McDonald's.
Released for the Nintendo DS in 2010 internally within the Japanese division of McDonald's, it was only ever distributed to the company's own restaurants domestically and never released to the public.
The game teaches the player how to cook various McDonald's menu items and perform other restaurant tasks, and was used to train new restaurant employees. It features several game modes and features, including simulations of food preparation and customer interaction, quizzes, player profiles for employees and managers, and performance statistics.
Source: Wikipedia, "[en.wikipedia.org/wiki/ECrew_Development_Program ECrew Development Program]", available under the CC-BY-SA License.