Dr. Yutian Tang is an assistant professor at ShanghaiTech University, China. He received his Ph.D. degree from the Hong Kong Polytechnic University. His research interests include Android, system security, product line engineering, variability management and program understanding. He is a member of IEEE, HKCS, CCF and EuroSys. He has published over 20 papers at premier software engineering venues such as ESEC/FSE, ASE, SANER, ISSRE, ICPC conferences and IEEE TSE, IEEE TReli, JSS, IST journals