Fullscreen in mobile Metamask browser

Description:
Hi! I’m creating a cross-platform webgl dapp, which was made in unity, for mobiles and desktops and MetaMask app for mobiles is a great opportunity to integrate dapp there. But, unfortunately in MetaMask browser i can not rotate page or open fullscreen using button(this button works on desktop and even in other mobile browsers).

Purpose:
So, i hope that you can add more functions to your browser to make it more comfortable and flexible for devs. Best Regards!

Extension/Mobile/Both:
Mobile

Images/Attacments: