Touch Detective (おさわり探偵 小沢里奈, Osawari Tantei: Ozawa Rina, literally "Touch Detective: Rina Ozawa") or Mystery Detective in Europe (except in France) is a point-and-click mystery adventure game for the Nintendo DS which makes use of the device's touch screen. It was developed by BeeWorks and released in Japan by Success Corporation. It was published in the United States by Atlus, and in Europe by 505 Games. Touch Detective was released for the iOS on August 4, 2011. Its first chapter is free to download.