TechnoBuffalo: "Skype on Friday updated its Android tablet app with a new “picture-in-picture” mode, giving users the ability to shrink the video window down to a thumbnail and keep it over other running apps. "
It's still limited in scope
New update lets you have a video call without having a Skype account. You can start a chat through a link and can use it at any time as it does not expire.
With the sudden upswing of video conferencing needs due to working from home, Microsoft has decided to add a new feature to Skype.