[SOLVED] How to import Low Poly water animation in Unity?

I am creating Android Game on Unity. Now, I am making the main menu where on the background should be the animated low poly water. I am using blender. I tried to use both these ways:

and this using the shape keys.


But, Unity just shows me animation with this object just freezed for 199 frames. I think that I just wrong imported it or something like that… Please, write any ideas or another useful solutions.

Unity doesnt support vertex deformation by default. Nothing you can do in blender other than rolling your own in Unity plug-in will change that.
Other options - pick a low poly water asset from the store, pick a animatable low poly shader from the store, or instead use a handful of morph/blend shapes in blender and animate between them in Unity.