I completed my b.tech in cse iam intrested in creating google web apps.what should be my next step to do apps.kindly pls any one help me pls

I need to develop my own apps i have lot of confident that my apps i mean my projects will be accepetd by google but what sholud i do.what qualifaications do i need and what platflom should i need to be familier with. how to explain my projuct to google and where pls can any one help me pls.