Augmented reality (AR) is quickly emerging as an incredibly useful tool for solving everyday problems. AR is an interactive, reality-based display environment that blends virtual objects with real ones to create an immersive UX.
Xamarin - Augmented Reality in Xamarin.Forms by Rajeev K R
Jean-Marie Alfonsi has created a really cool horizontal list view. As he mentions:
This item collection is in fact very close in terms of philosophy and implementation to what will provide the future Xamarin CollectionView. So if you need a horizontal list view or a grid view and can't wait for the release, the HorizontalListView is here to fill the gap ;)
A real HorizontalListView for Xamarin Forms by Jean-Marie Alfonsi
Marcos has provided a couple of tips for structuring and layout out your XAML.
Xamarin.Forms XAML by Marcos Morian