This app was mentioned in 5 comments, with an average of 1.00 upvote
I'm pretty sure It started with the latest update published 2 days ago (November 4, 2021)
https://play.google.com/store/apps/details?id=com.skype.raider
Searched for: skype
Skype | Free calls to friends and family
>Download Skype and stay in touch with family and friends for free. Get international calling, free online calls and Skype for Business on desktop and mobile.
>Sign into your Skype account to call and chat with friends and family. Log in to stay in touch with Skype.
Skype - free IM & video calls - Android Apps on Google Play
>Skype keeps the world talking. Say “hello” with an instant message, voice or video call—all for free, no matter what device they use Skype on. • Talk face to face ...