Unity3D Vuforia - How to auto play animation? (Android)

I have add Animator and Animation into my Game Object(R8AR)'s inspector. The model appear but it could not play animation in my android phone. Below image also shown Preview Animation is work in Unity itself.Hope you guys can help, thanks! https://www.dropbox.com/s/296ljr27fstbh94/AR1.png https://www.dropbox.com/s/x9zfaw9ileda04j/AR2.png