Apply yourself, and you will succeed
There's no doubt that the iPhone is very popular and so is the App Store. The applications it offers are suitable for a number of Apple devices and this attracts more users.
One of the reasons for its success is that many of the applications are free. Once people are 'inside' the store, they have a chance to look at other applications.
I admire Ivan Wan Sai-hong, who quit his job in television production to become a freelance app developer.
People always worry too much and never seek change. They are not willing to make that leap because they fear change. Ivan's decision is right and he is happy now.
Moreover, he has proved that we can make a living by developing apps. Some companies may even have a role for app development. I hope everyone can find their own road to success.