※ Japanese version is here . I’m so happy to announce that today is my first day at Quipper as an Android developer. Actually Quipper became a member of Recruit Group last year, so it’s not a career change, fortunately :-) Motivation I had involved in the development of JyukenSapuri , but it was decided that JyukenSapuri is going to shut down and launch bland-new product, StudySapuri . In other wo