iOS App Development Crash Course in Hindi: Learn iOS App Development Fundamental in 1 Hour ( Crash Course ) Topic Covered : What is iOS ? How to Start iOS App ... atOptions = { 'key' : 'a8dfc29b76f8e0e43144f40c1f6e4e79', 'format' : 'iframe', 'height' : 90, 'width' : 728, 'params' : {} }; document.write('');