Epic's Unreal Engine 4 Rivalry project shows what's now possible on mobile devices.
Dynamic Lighting Gameplay with UE4 and Enlighten using Blueprints
Geomerics have posted a detailed article on how they used Unreal Engine together with Enlighten.
Real-time Global Illumination with Enlighten and UE4
Epic Games and Geomerics created the video to highlight the latest physically-based lighting techniques in games.
Unreal Engine 4 Offered Free for Schools
Epic Games now offer educational organizations free access to Unreal Engine 4 for faculty and students.