Supersized emoji/symbol/icon widget

We have used the trick of changing styles to huge font to create Font Awesome-like symbols with emojis. This is not the optimal and intuitive approach and the limited emojis does not quite capture the expressiveness and accessibility of universally known icons.

So what I am requesting is a kind of icon/emoji widget that has a selection of icons and can either automatically scale to fill the space or can be manually set to a certain size. This would also make easier to create visual elements.

Thanks Heikki, can you give examples of icons and purposes: what is their role and what are they symbolizing? 

Something like this:

Or:

Either purely decorative pictures to make the page more visual or symbols to make it more accessible. Or both.