I have already SDK for symbian (Qt) but i dont know how to use it.... I already know some of the concepts of C++... Now i am currently studying in 10 grade in future i want to become a developer for symbian or wp7.. so what are the qualifications that i should do to become a developer? And how much do i earn being a developer? plz help me for good answer i will give 10 marks(Pick as best ans with 5 star)