Sunny Kumar Aditya has been working on the Android platform for the past 4 years. His tryst with Android began with his college project, and he continued with his work in R&D at HCL Infosystems Ltd. Sunny loves to stay up to date with the latest trends and practices in Android development. Apart from building Android applications, he writes at www.deadmango.com. He is currently the head of Android development at Yamunix. Vikash Kumar Karn is an IIIT Allahabad alumnus and an ECE student whose love for code drove him towards the software development field. He has worked with leading multinationals and is currently working at Samsung Research Institute, Bangalore, exploring Android. Vikash likes to learn the intricacies of the Android framework and help newcomers in this field. Some of his applications, such as Movtan Fishing and Compare Pictures, can be found on the Play Store.