Masato Nagamatsu

You are a tactician on a racing sailboat. "Sailing Tactics" is a realistic sailboat-racing simulator. Take "Sailing Tactics" with you, and learn the b …

"RopeConvert" is a conversion tool of rope units. Rope sold by length in US mail order, you have to convert your familiar units (inch, $/feet) to Japa …

"Ring Measure" can measure your finger size for ring. Please slide the slider.免費玩Ring Measure APP玩免費免費玩Ring Measure AppRing Measure APP LOGORing Measu …