How do you increase app SDK from 19 to 21?

So i am trying to publish an app i made however it says i need a minimum of 21 sdk to publish it and only have 19

So pleass if anyone knows how to increase it simply i havs spent the last 7 hours trying sll these different methods and i just need a simple method like adding somthing to the app so it increases it

Thanyou

Also is there an extension to get it to api 35?

You mean you want the min SDK to be for API 35 ? (I don't think so...)

Ahh, do you know how i get it up please?

To what (minSdkVersion or targetSdkVersion)?

We are talking about min sdk here...

Usually developers want their app to run on as much devices as possible...

You might be an exception...

Do you really want, that your app is able to run on only the latest available devices?

Taifun

Hi, i see where some confusion may be
Im a new app developer and i got a notification from google saying my target API needs fo be higher and i posted this post before MIT announced they were working on it.

In this case read more about that here

Taifun