It is a free sumo quiz app.
Sumo wrestler image, belonging room, hometown, deciding hand, ranking, successive wrestlers.
Sumo wrestling fans, please try it!

[Room name]
Asakayama Room Asahiyama Room Ajigawa Room Arashio Room Kaminari Room Isegahama Room Kazama Room Shibatayama Room Takasago Room Takadagawa Room Takekuma Room Tagonoura Room Tatsunami Room Tamanoi Room Dewanoumi Room Tokitsukaze Room Tokiwayama Room Naruto Room Nishiiwa Room Nishikido Room Nishonoseki Room Hakkaku Room Hokoma Room Fujishima Room Futagoyama Room Mutsu Room Minato Room Miyagino Room Musashigawa Room Yamabiki Room

[List of sumo wrestlers]
Terunofuji
(Terunofuji)
Takakeisho
(Takake Isho)
Takakage Waka
(Wakatakakage)
rich dragon
(Hoshoryu)
Mount Kirima
(Kiribayama)
Wakamoto Haru
(Wakamoto Haru)
Kotonowaka
(Kotonowaka)
Great Eisho
(Daieisho)
Sakaen
(flying monkey)
Endo
(Endo)
Ontake Sea
(Mitake Umi)
Wang Peng
(Ouhou)
Ura
(Back)
Kotokatsubong
(Know how)
Asashoryu
Hakuho
Emperor
Tochihigashi
Thousand oceans
Haruma Fuji
Kisenosato
Chiyonofuji
Takanohana
Wakanohana