In the app market you see many apps are there to provide you money by referring their app to your friends. what are the benefits of this idea for developers.

Thank you

As i said i am confused what i have to read and what not. Search and read at google is like random order knowlege. I want the stating point, a...

I m confused about my aim. while i think a lot. finaly it comes into my mind to startup but i haven't any knowledge about how start actually. From where...