[openbox] Change screen size

[D.T.]

On Tue, 2021-08-17 at 22:48 +0200, Julius Hamilton wrote:
> I am using OpenBox with Termux on an Android smartphone, viewed
> through a VNC Viewer app.
> 
> I would like the screen to fit the dimensions of my smartphone's
> screen.
> 
> Is there a way I can change the dimensions of the OpenBox screen?
> 

So not per application? to me it sounds like you just want all windows
to appear full screen, and possibly without decorations?

This can be achieved with openbox, but possibly a simpler (stacking or
floating) window manager is more suited.