After all these years, and growing up with Windows 3.1, I have seen an entire evolution of computers and software. Touch screens and large resolutions were a pipe dream just 15 years ago. Now it's the norm. Going from a Packard Bell (yes, before HP) that couldn't run 3D Ultra Mini...
If something looks like it's important, give it a tap. Chances are that it is.
You can replay the arcade games you've found whenever you want from the menu.
There's a map on most of the screens that shows you exactly where you are.