1. Gartner Says Worldwide Sales of Smartphones Grew 9 Percent in First Quarter of 2017;Egham;Gartner,2017
2. Esselbach P. Security Alert: DroidDream Malware Found in Android Market. Linux Compatible. 2011;3: 2 Available from: http://www.linuxcompatible.org/news/story/security_alert_droiddream_malware_found_in_official_android_market.html.
3. Nolan D. Angry Birds leak: why app developers should guard their users' privacy. The Guardian. 2014; 1: 28. Available from: https://www.theguardian.com/commentisfree/2014/jan/28/angry-birds-leak-why-app-developers-should-guard-their-users-privacy.
4. Enck W. Ongtang M. McDaniel P. Understanding Android Security. IEEE Security & Privacy. 2009 Jan-Feb. doi: 10.1109/MSP.2009.26
5. Shabtai A. Fledel Y. Kanonov U. Elovici Y. Dolev S. Google android: A state-of-the-art review of security mechanisms. 2009 Dec. doi: arXiv:0912.5101