On its 10th anniversary, Signal’s president wants to remind you that the world’s most secure communications platform is a nonprofit. It’s free. It doesn’t track you or serve you ads. It pays its engineers very well. And it’s a go-to app for hundreds of millions of people.
I’d be more interested in allowing more than one Android device at a time like MySudo. They let you link Windows with a phone so I wouldn’t think it would be too hard to implement.