"Insepct element" and click on device tab?

[DarranD]

is it possible to make website look like app ? i mean smooth scrolling and no scrollbar just like when you open "Insepct element" and click on device tab, it gives the APP like feelings 

 

[dzyn]

You can also look at the mobile site with ctrl+shift+m or use tools like screenify to check in various devices from one place