School of Computer Science Fudan University Shanghai 200433 ChinaShanghai Key Laboratory of Data Science Fudan University Shanghai 200433 China;
School of Computer Science Fudan University Shanghai 200433 ChinaShanghai Key Laboratory of Data Science Fudan University Shanghai 200433 China;
School of Computer Science Fudan University Shanghai 200433 ChinaShanghai Key Laboratory of Data Science Fudan University Shanghai 200433 China;
School of Computer Science Fudan University Shanghai 200433 ChinaShanghai Key Laboratory of Data Science Fudan University Shanghai 200433 China;
School of Computer Science Fudan University Shanghai 200433 ChinaShanghai Key Laboratory of Data Science Fudan University Shanghai 200433 China;
end user programming; human computer interaction; Android; mashup; app transformation;