With Xamarin.Forms 3.6 Xamarin/Microsoft is shipping a new feature, Visual. Visual was earlier a part of the Xamarin.Forms 4.0 release, but now it was included in the Xamarin.Forms 3.6 release.
Xamarin.Forms Visual by dhindrik
When displaying textual information to your user, you want it to be well displayed with good font size, appropriate style, text color… But you also want the user to edit this information with minimum efforts. You can have both with this smooth implementation.
Building An Edit Label Custom Control in Xamarin Forms. by Doumer