(Android reverse and game security technology is to use the Android mobile phone application machine to crack the game, to achieve the effects of testing reverse debugging, security analysis, application protection and so on. Learning this technology is mainly for employment in security positions, or part-time project testing to get rewards. The Android reverse engineer position will be used in daily work to crack a large number of APPs on the market and strengthen the security protection of applications. To do project testing by yourself is to use reverse analysis technology to win generous rewards from the emergency center.)