FontAwesome 5
First select a icon from gallery
https://fontawesome.com/icons?d=gallery&m=free
I use Turkish Lira sing with Solid type
https://fontawesome.com/icons/lira-sign?style=solid
Copy Turkish Lira UNICODE

Now, switch to Kodular project. Add simple label component to Screen and apply same parameters like this image.

- Enable HTML Format
- Use &#xUNICODE; for text input
- Select FONT AWESOME 5 SOLID
Result:

Material Icons is simple than Font Awesome 5
Just select yout image from this link
https://material.io/resources/icons/?icon=alarm&style=baseline
- Paste selected icon name to text
- Select Material Icons for FontTypeface

Thats it