A free program for Android, by Booda Games.
The Mid Ages: Mini World RPG game lets you explore a wide map full of various places and things. You can interact with all of them in various ways. For instance, you can play mini-games with some of them, you can trade with others, or you can even fight with them.
The gameplay itself is very simple and easy to understand. You just need to tap on a place to see what you can do there. If you want to upgrade your things or build a new one, you need to go to the workshop. You can also fight with monsters and other players.