A magazine Nikkei Trendy reported 2016 hot-selling products in Japan. According to it, the most successful service was Pokemon GO. Here is the ranking of 2016 successful products (service) in Japan. Images are linked to Amazon.
Some people drink vegetable smoothie to lose their weight.
Cosmetic foundation from Korea
Procter & Gamble Lenor Honkaku-shoshu
Samrtphone appri of on-line fleemarket
Image sharing service
Kumi no nawa
Samrtphone appri of Pokemon
Source is Nikkei Trendy.