Yes. Glide scales with your app, so there is no difference if a hundred, a thousand, or a million people open your app at the same time. All of them will be able to access it.
Glide apps automatically work on any mobile device, tablet, laptop, desktop, television, or any device with an up-to-date web browser. However, when viewed on a large screen—your laptop, for example—your app maintains a mobile layout, although it works nonetheless.
We plan to introduce layouts for tablet and web in the coming months.
If you have added a function to your sheet and copied it down to all columns, then Glide will see that data