This app was mentioned in 1 comment, with an average of 3.00 upvotes
Doesn't need to be sideloaded. Google Play link
The catch is, it's not free... and it doesn't work all the time. You have to fiddle with it a bit sometimes. But no, it doesn't need to be side loaded, and it has a fairly nice 10' interface, as they say.
I don't know why I said Windows PC. A Linux PC or a Mac would be fine. I'm even proficient enough to use Linux and I'm comfortable doing so, but I'm a gamer so Windows it is...