What do I need for character BP to work on android

I have created a game that I want to use on an adroid phone.
When I launch the game preview The character and animations work perfectly.
But when I launch it on my android the character is not drawn it only shows camera.

I have decrease the vertices of my mesh from 36642 to 10768 and Triangles from 60946 to 15231.
but still no luck.

I am still new to unreal engine and would like to know what I missed.

Thank you