A free app for Android, by SJGames.

Idle League is a free casual mobile game. This is an idle-time game that allows you to collect various resources. These resources can be used to craft various items and weapons to help you survive and thrive in the world. In the same server, the player may team up and battle with others. The player may also be a mentor or alliance. To twist the battle, the player may regulate the line up with other partners.

In Idle League, you can chat with other players and send them items.