Materials not showing up in HUD on mobile

When launching a project onto a mobile device that has a material that is shown via the hud blueprint. The material does not render.

1. Download project from link :
   [Link Removed]
2. Open project
3. Play in Editor
4. Notice there is a blue rectangle over the left side of the screen
5. Launch on to an android device
6. Notice the material no longer shows up on the device