Samsung DeX full screen apps

[TrippinAUS]

I currently have a Samsung Galaxy s21+ ultra and when I used DeX, the Samsung DeX labs option is missing and the resizing on OSRS mobile is out of whack. I've read full screen it works but I can't get it full screen, any thoughts?

 

[Kizzy Catwoman]

What is OSRS mobile?

 

[TrippinAUS]

Old School Runescape