After world war ii, with the recovery and prosperity of the world economy and the rapid growth of the population, the world appeared to be internationally popular tourism. The progress of science and technology has greatly improved the traffic conditions. Create conditions for travel; The improvement of labor productivity, people disposable income increase, to travel and enjoy the hotel's service record for expanded rapidly, speed up the popularization and the world of tourism activities in political, economic and cultural exchanges and frequent. This change in social needs pushed the restaurant industry into the modern hotel period. The Android developers have a lotof importance in India and play a very significant role in applicationdevelopment. These developers offer best services and develop apps in differentareas. The application development includes - maintenance, business,entertainment, weather, multimedia, games, entertainment etc. To develop thesetype of apps, the developers must have vast knowledge, creative skills and moreover a strong technical base. Hacking is "a man who is passionate about the workings of systems and computers, especially the web".