Your browser does not support grid, so will not be supported. Hover over your browser version to see if there is a way to enable potential support. Sorry, I am no longer able to justify working on making the layout work on older devices.
By the way, I recommend this one called Touhou Koubutou. It's available on PS4, PSV, and Switch.Nobody's coming over. I'm bored...
I don't wanna go out either, so guess I'll play a game...