Detecting on-screen keyboard toggles and proper handling of such changes can be quite tricky. Android tries to deal with those events on its own but its behavior is often far from perfect.
Today’s mobile apps are rarely created as text-only. Most of them needs at least in-app icons for toolbars. In many cases you can find graphics for mobile platforms as ready to use resources on the Internet, i.
XAML compilation is (or at least should be) one of the default optimisation steps in Xamarin.Forms app development. It really speeds up the app especially on Android.
Standard Xamarin.Forms Xamarin.Forms.Editor control offers edit capabilities similar to Entry but for multiline text. Unfortunately unlike Entry it doesn’t support displaying placeholder text out of the box.
Most of iPhone and iPad users can easily recognize icon badges - the pattern for application notifications typically presented in app icon or navigation bar.
Adding tap/click handling to Xamarin.Forms Label is fairly easy. You can do it both in XAML or code behind using GesureRecognizers collection like it is described in this recipe.