Genki Sushi NEX is a conveyor belt sushi restaurant in Singapore that serves sushi and sashimi. The menu includes salmon sets, mentaiko fries, and cheese and truffle items, and sushi arrives at the table on a model train. Reservations can be made through a membership app, and entering the number of people and a phone number into the mobile waiting system displays an estimated wait time on a screen. The sashimi is fresh and flavorful.