Exporting Animated Models

Steps to exporting animation-s/animated(With several independent/individual animations if possible) models? I am trying to model for a game and whenever I export a model with an animation in the model viewer the animations are gone.

Also it doesnt allow me to export shape keys and once I hit the apply button on the armature modifier moving the bones stops affecting the model in pose mode any reasons for any of this?

Tutorials, instructions, aid through an instant messenger, any form of help would be great.


Edit: Sorry I meant this to get posted in the animation section.

I think you can export as OBJ with basic pose, and next OBJ with Posed. In the next software that should have to capability to co-relate these two OBJs.