Here is what I’m trying to achieve:

On a smaller device where all the input fields can’t be
displayed on a single page the form should be like this:

But on a bigger screen like where all the Input fields

can be displayed on one page I want it to be like this:

(Notice the spacing between the button and the last input

field should be dynamic, so that even on tablets the button
will be on the bottom of the screen)

Also, of course, I don’t want the keyboard to cause overflows, or cover the input fields… I have tried many things and I haven’t found a way to achieve it, even though it seems to be a simple problem.