Company SummerTimeStudio Co,.Ltd created these great apps:
OPERA COIN, OPERA COIN, The Legend of Holy Archer, The Legend of Holy Archer, Animal's Jewel, Dark Reaper Shoots!, Ancient Surfer, Okinawa's Summoner, DiceSoldier vs Dragon, DIVE -The Mystery Of Abyss-, Vertical Cliff, Million Asteroids, Ancient Surfer 2, Courage Of Fire, Troll Impact The Lone Guardian, and others..