What is the way to get sucess after becoming a developer but without any graduation.

Hey! I'm 16 year old kid and I have learnt flutter and dart even I have made an application name is FarmYara https://play.google.com/store/apps/details?id=com.global.farmyara but I want to know that how I can get quick success because some peoples are demotivating me that if you will not graduate and just focus on this developing stuffs without any kind of graduation you will not get success. Is it really true or I can success. I know it depends upon me I get success or not but taking suggestion from experience people help alot so tell if you have any thoughts regarding this.