That's some defeatist attitude you have going there Realistically you won't develop the next flappy bird... but you can refine your craft, network, find your niche and attain a level of success "You don't need good luck, if you never give up"
Not so much luck as it is, continually putting yourself in a position where the result you seek in inevitable If I stood on top of a hill with a golf club in my hand during every thunderstorm for 50 years ... When I eventually get struck, no one would really be surprised