Cart Label

This Plugin will allow the user to customize the default text of woocommerce cart ‘Add to Cart’ to any of its liking.
Users can customize the cart label at the archive page as well as the single page of the product.

Single/Archive Page Product
-Simple products
-Variable products
-Grouped products
-External products
-Bookable products
-Subscription products

Did this plugin will add emojis

Yes it can, just paste emoji to text label.