Company Ryouhei Azuma created these great apps:
WhiteRoom - Escape, フラッシュ暗算 - シンプル, Simple Drawing Pad, Whiteboard - Simple, Blackboard - Simple, Drawing Pad - Blackboard style, Various Ringtones, Emotional Sound Effects, Quiz Sound Effect, Music Box style BGM, Online Quiz Buzzer, Remote Vibration, Simple Vibrator, Ghost Leg - Simple, Big Timer - Simple, Touch The Number - Simple, Draw on Pictures - Simple, 手書きメモです, Simple Handwritten Note, Drawing Online, Simple Black and White Photo, Simple Voice Recorder Chan, Simple Video Cutter, Simple Voice Changer Chan, Reaction Time Test - RTT, Chemical Elements Learning, Reaction Training - Shoot, Reaction Training - Number, Simple Negative Image, Simple Reverse Voice, Pencil Sketch Image, Watercolor Photo Processing, Line Art - line drawing, Simple Fireworks, Simplify Fractions - Simple, Referee Yellow card, Whistle, Cartoon Sound Effects - Simple, Horror Sound Effects, Scoreboard - Simple, Photo Contrast Adjustment, Multi - Scoreboard, Dice Simple, Table Tennis Scoreboard Chan, and others..